1640950080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 448

約数和(自身を含む): 6601236480

約数和(自身を除く): 4960286400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 79, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 158, 160, 165, 168, 176, 192, 210, 220, 224, 231, 237, 240, 264, 280, 281, 308, 316, 320, 330, 336, 352, 385, 395, 420, 440, 448, 462, 474, 480, 528, 553, 560, 562, 616, 632, 660, 672, 704, 770, 790, 840, 843, 869, 880, 924, 948, 960, 1056, 1106, 1120, 1124, 1155, 1185, 1232, 1264, 1320, 1344, 1405, 1540, 1580, 1659, 1680, 1686, 1738, 1760, 1848, 1896, 1967, 2112, 2212, 2240, 2248, 2310, 2370, 2464, 2528, 2607, 2640, 2765, 2810, 3080, 3091, 3160, 3318, 3360, 3372, 3476, 3520, 3696, 3792, 3934, 4215, 4345, 4424, 4496, 4620, 4740, 4928, 5056, 5214, 5280, 5530, 5620, 5901, 6083, 6160, 6182, 6320, 6636, 6720, 6744, 6952, 7392, 7584, 7868, 8295, 8430, 8690, 8848, 8992, 9240, 9273, 9480, 9835, 10428, 10560, 11060, 11240, 11802, 12166, 12320, 12364, 12640, 13035, 13272, 13488, 13904, 14784, 15168, 15455, 15736, 16590, 16860, 17380, 17696, 17984, 18249, 18480, 18546, 18960, 19670, 20856, 21637, 22120, 22199, 22480, 23604, 24332, 24640, 24728, 25280, 26070, 26544, 26976, 27808, 29505, 30415, 30910, 31472, 33180, 33720, 34760, 35392, 36498, 36960, 37092, 37920, 39340, 41712, 43274, 44240, 44398, 44960, 46365, 47208, 48664, 49456, 52140, 53088, 53952, 55616, 59010, 60830, 61820, 62944, 64911, 66360, 66597, 67440, 69520, 72996, 73920, 74184, 75840, 78680, 83424, 86548, 88480, 88796, 89920, 91245, 92730, 94416, 97328, 98912, 104280, 106176, 108185, 110995, 118020, 121660, 123640, 125888, 129822, 132720, 133194, 134880, 139040, 145992, 148368, 155393, 157360, 166848, 173096, 176960, 177592, 182490, 185460, 188832, 194656, 197824, 208560, 216370, 221990, 236040, 243320, 244189, 247280, 259644, 265440, 266388, 269760, 278080, 291984, 296736, 310786, 314720, 324555, 332985, 346192, 355184, 364980, 370920, 377664, 389312, 417120, 432740, 443980, 466179, 472080, 486640, 488378, 494560, 519288, 530880, 532776, 583968, 593472, 621572, 629440, 649110, 665970, 692384, 710368, 729960, 732567, 741840, 776965, 834240, 865480, 887960, 932358, 944160, 973280, 976756, 989120, 1038576, 1065552, 1167936, 1220945, 1243144, 1298220, 1331940, 1384768, 1420736, 1459920, 1465134, 1483680, 1553930, 1709323, 1730960, 1775920, 1864716, 1888320, 1946560, 1953512, 2077152, 2131104, 2330895, 2441890, 2486288, 2596440, 2663880, 2919840, 2930268, 2967360, 3107860, 3418646, 3461920, 3551840, 3662835, 3729432, 3907024, 4154304, 4262208, 4661790, 4883780, 4972576, 5127969, 5192880, 5327760, 5839680, 5860536, 6215720, 6837292, 6923840, 7103680, 7325670, 7458864, 7814048, 8546615, 9323580, 9767560, 9945152, 10255938, 10385760, 10655520, 11721072, 12431440, 13674584, 14651340, 14917728, 15628096, 17093230, 18647160, 19535120, 20511876, 20771520, 21311040, 23442144, 24862880, 25639845, 27349168, 29302680, 29835456, 34186460, 37294320, 39070240, 41023752, 46884288, 49725760, 51279690, 54698336, 58605360, 68372920, 74588640, 78140480, 82047504, 102559380, 109396672, 117210720, 136745840, 149177280, 164095008, 205118760, 234421440, 273491680, 328190016, 410237520, 546983360, 820475040, 1640950080]

約数ペア:

[(1, 1640950080), (2, 820475040), (3, 546983360), (4, 410237520), (5, 328190016), (6, 273491680), (7, 234421440), (8, 205118760), (10, 164095008), (11, 149177280), (12, 136745840), (14, 117210720), (15, 109396672), (16, 102559380), (20, 82047504), (21, 78140480), (22, 74588640), (24, 68372920), (28, 58605360), (30, 54698336), (32, 51279690), (33, 49725760), (35, 46884288), (40, 41023752), (42, 39070240), (44, 37294320), (48, 34186460), (55, 29835456), (56, 29302680), (60, 27349168), (64, 25639845), (66, 24862880), (70, 23442144), (77, 21311040), (79, 20771520), (80, 20511876), (84, 19535120), (88, 18647160), (96, 17093230), (105, 15628096), (110, 14917728), (112, 14651340), (120, 13674584), (132, 12431440), (140, 11721072), (154, 10655520), (158, 10385760), (160, 10255938), (165, 9945152), (168, 9767560), (176, 9323580), (192, 8546615), (210, 7814048), (220, 7458864), (224, 7325670), (231, 7103680), (237, 6923840), (240, 6837292), (264, 6215720), (280, 5860536), (281, 5839680), (308, 5327760), (316, 5192880), (320, 5127969), (330, 4972576), (336, 4883780), (352, 4661790), (385, 4262208), (395, 4154304), (420, 3907024), (440, 3729432), (448, 3662835), (462, 3551840), (474, 3461920), (480, 3418646), (528, 3107860), (553, 2967360), (560, 2930268), (562, 2919840), (616, 2663880), (632, 2596440), (660, 2486288), (672, 2441890), (704, 2330895), (770, 2131104), (790, 2077152), (840, 1953512), (843, 1946560), (869, 1888320), (880, 1864716), (924, 1775920), (948, 1730960), (960, 1709323), (1056, 1553930), (1106, 1483680), (1120, 1465134), (1124, 1459920), (1155, 1420736), (1185, 1384768), (1232, 1331940), (1264, 1298220), (1320, 1243144), (1344, 1220945), (1405, 1167936), (1540, 1065552), (1580, 1038576), (1659, 989120), (1680, 976756), (1686, 973280), (1738, 944160), (1760, 932358), (1848, 887960), (1896, 865480), (1967, 834240), (2112, 776965), (2212, 741840), (2240, 732567), (2248, 729960), (2310, 710368), (2370, 692384), (2464, 665970), (2528, 649110), (2607, 629440), (2640, 621572), (2765, 593472), (2810, 583968), (3080, 532776), (3091, 530880), (3160, 519288), (3318, 494560), (3360, 488378), (3372, 486640), (3476, 472080), (3520, 466179), (3696, 443980), (3792, 432740), (3934, 417120), (4215, 389312), (4345, 377664), (4424, 370920), (4496, 364980), (4620, 355184), (4740, 346192), (4928, 332985), (5056, 324555), (5214, 314720), (5280, 310786), (5530, 296736), (5620, 291984), (5901, 278080), (6083, 269760), (6160, 266388), (6182, 265440), (6320, 259644), (6636, 247280), (6720, 244189), (6744, 243320), (6952, 236040), (7392, 221990), (7584, 216370), (7868, 208560), (8295, 197824), (8430, 194656), (8690, 188832), (8848, 185460), (8992, 182490), (9240, 177592), (9273, 176960), (9480, 173096), (9835, 166848), (10428, 157360), (10560, 155393), (11060, 148368), (11240, 145992), (11802, 139040), (12166, 134880), (12320, 133194), (12364, 132720), (12640, 129822), (13035, 125888), (13272, 123640), (13488, 121660), (13904, 118020), (14784, 110995), (15168, 108185), (15455, 106176), (15736, 104280), (16590, 98912), (16860, 97328), (17380, 94416), (17696, 92730), (17984, 91245), (18249, 89920), (18480, 88796), (18546, 88480), (18960, 86548), (19670, 83424), (20856, 78680), (21637, 75840), (22120, 74184), (22199, 73920), (22480, 72996), (23604, 69520), (24332, 67440), (24640, 66597), (24728, 66360), (25280, 64911), (26070, 62944), (26544, 61820), (26976, 60830), (27808, 59010), (29505, 55616), (30415, 53952), (30910, 53088), (31472, 52140), (33180, 49456), (33720, 48664), (34760, 47208), (35392, 46365), (36498, 44960), (36960, 44398), (37092, 44240), (37920, 43274), (39340, 41712)]