1991233440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 576

約数和(自身を含む): 8425347840

約数和(自身を除く): 6434114400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 37, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 74, 76, 80, 84, 90, 95, 96, 105, 111, 112, 114, 120, 126, 133, 140, 144, 148, 152, 160, 168, 171, 180, 185, 190, 210, 222, 224, 228, 240, 252, 259, 266, 280, 281, 285, 288, 296, 304, 315, 333, 336, 342, 360, 370, 380, 399, 420, 444, 456, 480, 504, 518, 532, 555, 560, 562, 570, 592, 608, 630, 665, 666, 672, 684, 703, 720, 740, 760, 777, 798, 840, 843, 855, 888, 912, 1008, 1036, 1064, 1110, 1120, 1124, 1140, 1184, 1197, 1260, 1295, 1330, 1332, 1368, 1405, 1406, 1440, 1480, 1520, 1554, 1596, 1665, 1680, 1686, 1710, 1776, 1824, 1967, 1995, 2016, 2072, 2109, 2128, 2220, 2248, 2280, 2331, 2394, 2520, 2529, 2590, 2660, 2664, 2736, 2810, 2812, 2960, 3040, 3108, 3192, 3330, 3360, 3372, 3420, 3515, 3552, 3885, 3934, 3990, 4144, 4215, 4218, 4256, 4440, 4496, 4560, 4662, 4788, 4921, 5040, 5058, 5180, 5320, 5328, 5339, 5472, 5620, 5624, 5901, 5920, 5985, 6216, 6327, 6384, 6660, 6744, 6840, 7030, 7770, 7868, 7980, 8288, 8430, 8436, 8880, 8992, 9120, 9324, 9576, 9835, 9842, 10080, 10116, 10360, 10397, 10545, 10640, 10656, 10678, 11240, 11248, 11655, 11802, 11970, 12432, 12645, 12654, 12768, 13320, 13488, 13680, 14060, 14763, 15540, 15736, 15960, 16017, 16860, 16872, 17703, 17760, 18648, 19152, 19670, 19684, 20232, 20720, 20794, 21090, 21280, 21356, 22480, 22496, 23310, 23604, 23940, 24605, 24864, 25290, 25308, 26640, 26695, 26976, 27360, 28120, 29505, 29526, 31080, 31191, 31472, 31635, 31920, 32034, 33720, 33744, 35406, 37296, 37373, 38304, 39340, 39368, 40464, 41440, 41588, 42180, 42712, 44289, 44960, 46620, 47208, 47880, 48051, 49210, 50580, 50616, 51985, 53280, 53390, 56240, 59010, 59052, 62160, 62382, 62944, 63270, 63840, 64068, 67440, 67488, 70812, 72779, 73815, 74592, 74746, 78680, 78736, 80085, 80928, 83176, 84360, 85424, 88515, 88578, 93240, 93573, 94416, 95760, 96102, 98420, 101160, 101232, 103970, 106780, 112119, 112480, 118020, 118104, 124320, 124764, 126540, 128136, 134880, 141624, 145558, 147630, 149492, 155955, 157360, 157472, 160170, 166352, 168720, 170848, 177030, 177156, 186480, 186865, 187146, 188832, 191520, 192204, 196840, 197543, 202320, 202464, 207940, 213560, 218337, 221445, 224238, 236040, 236208, 240255, 249528, 253080, 256272, 283248, 291116, 295260, 298984, 311910, 314720, 320340, 332704, 336357, 337440, 354060, 354312, 363895, 372960, 373730, 374292, 384408, 393680, 395086, 404640, 415880, 427120, 436674, 442890, 448476, 467865, 472080, 472416, 480510, 499056, 506160, 512544, 560595, 566496, 582232, 590520, 592629, 597968, 623820, 640680, 655011, 672714, 708120, 708624, 727790, 747460, 748584, 768816, 787360, 790172, 831760, 854240, 873348, 885780, 896952, 935730, 944160, 961020, 987715, 998112, 1012320, 1091685, 1121190, 1164464, 1181040, 1185258, 1195936, 1247640, 1281360, 1310022, 1345428, 1382801, 1416240, 1417248, 1455580, 1494920, 1497168, 1537632, 1580344, 1663520, 1681785, 1746696, 1771560, 1777887, 1793904, 1871460, 1922040, 1975430, 2183370, 2242380, 2328928, 2362080, 2370516, 2495280, 2562720, 2620044, 2690856, 2765602, 2832480, 2911160, 2963145, 2989840, 2994336, 3160688, 3275055, 3363570, 3493392, 3543120, 3555774, 3587808, 3742920, 3844080, 3950860, 4148403, 4366740, 4484760, 4741032, 4990560, 5240088, 5381712, 5531204, 5822320, 5926290, 5979680, 6321376, 6550110, 6727140, 6914005, 6986784, 7086240, 7111548, 7485840, 7688160, 7901720, 8296806, 8733480, 8889435, 8969520, 9482064, 10480176, 10763424, 11062408, 11644640, 11852580, 12445209, 13100220, 13454280, 13828010, 14223096, 14971680, 15803440, 16593612, 17466960, 17778870, 17939040, 18964128, 20742015, 20960352, 22124816, 23705160, 24890418, 26200440, 26908560, 27656020, 28446192, 31606880, 33187224, 34933920, 35557740, 41484030, 44249632, 47410320, 49780836, 52400880, 53817120, 55312040, 56892384, 62226045, 66374448, 71115480, 82968060, 94820640, 99561672, 104801760, 110624080, 124452090, 132748896, 142230960, 165936120, 199123344, 221248160, 248904180, 284461920, 331872240, 398246688, 497808360, 663744480, 995616720, 1991233440]

約数ペア:

[(1, 1991233440), (2, 995616720), (3, 663744480), (4, 497808360), (5, 398246688), (6, 331872240), (7, 284461920), (8, 248904180), (9, 221248160), (10, 199123344), (12, 165936120), (14, 142230960), (15, 132748896), (16, 124452090), (18, 110624080), (19, 104801760), (20, 99561672), (21, 94820640), (24, 82968060), (28, 71115480), (30, 66374448), (32, 62226045), (35, 56892384), (36, 55312040), (37, 53817120), (38, 52400880), (40, 49780836), (42, 47410320), (45, 44249632), (48, 41484030), (56, 35557740), (57, 34933920), (60, 33187224), (63, 31606880), (70, 28446192), (72, 27656020), (74, 26908560), (76, 26200440), (80, 24890418), (84, 23705160), (90, 22124816), (95, 20960352), (96, 20742015), (105, 18964128), (111, 17939040), (112, 17778870), (114, 17466960), (120, 16593612), (126, 15803440), (133, 14971680), (140, 14223096), (144, 13828010), (148, 13454280), (152, 13100220), (160, 12445209), (168, 11852580), (171, 11644640), (180, 11062408), (185, 10763424), (190, 10480176), (210, 9482064), (222, 8969520), (224, 8889435), (228, 8733480), (240, 8296806), (252, 7901720), (259, 7688160), (266, 7485840), (280, 7111548), (281, 7086240), (285, 6986784), (288, 6914005), (296, 6727140), (304, 6550110), (315, 6321376), (333, 5979680), (336, 5926290), (342, 5822320), (360, 5531204), (370, 5381712), (380, 5240088), (399, 4990560), (420, 4741032), (444, 4484760), (456, 4366740), (480, 4148403), (504, 3950860), (518, 3844080), (532, 3742920), (555, 3587808), (560, 3555774), (562, 3543120), (570, 3493392), (592, 3363570), (608, 3275055), (630, 3160688), (665, 2994336), (666, 2989840), (672, 2963145), (684, 2911160), (703, 2832480), (720, 2765602), (740, 2690856), (760, 2620044), (777, 2562720), (798, 2495280), (840, 2370516), (843, 2362080), (855, 2328928), (888, 2242380), (912, 2183370), (1008, 1975430), (1036, 1922040), (1064, 1871460), (1110, 1793904), (1120, 1777887), (1124, 1771560), (1140, 1746696), (1184, 1681785), (1197, 1663520), (1260, 1580344), (1295, 1537632), (1330, 1497168), (1332, 1494920), (1368, 1455580), (1405, 1417248), (1406, 1416240), (1440, 1382801), (1480, 1345428), (1520, 1310022), (1554, 1281360), (1596, 1247640), (1665, 1195936), (1680, 1185258), (1686, 1181040), (1710, 1164464), (1776, 1121190), (1824, 1091685), (1967, 1012320), (1995, 998112), (2016, 987715), (2072, 961020), (2109, 944160), (2128, 935730), (2220, 896952), (2248, 885780), (2280, 873348), (2331, 854240), (2394, 831760), (2520, 790172), (2529, 787360), (2590, 768816), (2660, 748584), (2664, 747460), (2736, 727790), (2810, 708624), (2812, 708120), (2960, 672714), (3040, 655011), (3108, 640680), (3192, 623820), (3330, 597968), (3360, 592629), (3372, 590520), (3420, 582232), (3515, 566496), (3552, 560595), (3885, 512544), (3934, 506160), (3990, 499056), (4144, 480510), (4215, 472416), (4218, 472080), (4256, 467865), (4440, 448476), (4496, 442890), (4560, 436674), (4662, 427120), (4788, 415880), (4921, 404640), (5040, 395086), (5058, 393680), (5180, 384408), (5320, 374292), (5328, 373730), (5339, 372960), (5472, 363895), (5620, 354312), (5624, 354060), (5901, 337440), (5920, 336357), (5985, 332704), (6216, 320340), (6327, 314720), (6384, 311910), (6660, 298984), (6744, 295260), (6840, 291116), (7030, 283248), (7770, 256272), (7868, 253080), (7980, 249528), (8288, 240255), (8430, 236208), (8436, 236040), (8880, 224238), (8992, 221445), (9120, 218337), (9324, 213560), (9576, 207940), (9835, 202464), (9842, 202320), (10080, 197543), (10116, 196840), (10360, 192204), (10397, 191520), (10545, 188832), (10640, 187146), (10656, 186865), (10678, 186480), (11240, 177156), (11248, 177030), (11655, 170848), (11802, 168720), (11970, 166352), (12432, 160170), (12645, 157472), (12654, 157360), (12768, 155955), (13320, 149492), (13488, 147630), (13680, 145558), (14060, 141624), (14763, 134880), (15540, 128136), (15736, 126540), (15960, 124764), (16017, 124320), (16860, 118104), (16872, 118020), (17703, 112480), (17760, 112119), (18648, 106780), (19152, 103970), (19670, 101232), (19684, 101160), (20232, 98420), (20720, 96102), (20794, 95760), (21090, 94416), (21280, 93573), (21356, 93240), (22480, 88578), (22496, 88515), (23310, 85424), (23604, 84360), (23940, 83176), (24605, 80928), (24864, 80085), (25290, 78736), (25308, 78680), (26640, 74746), (26695, 74592), (26976, 73815), (27360, 72779), (28120, 70812), (29505, 67488), (29526, 67440), (31080, 64068), (31191, 63840), (31472, 63270), (31635, 62944), (31920, 62382), (32034, 62160), (33720, 59052), (33744, 59010), (35406, 56240), (37296, 53390), (37373, 53280), (38304, 51985), (39340, 50616), (39368, 50580), (40464, 49210), (41440, 48051), (41588, 47880), (42180, 47208), (42712, 46620), (44289, 44960)]