1921365120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1771

約数の個数: 256

約数和(自身を含む): 6658560000

約数和(自身を除く): 4737194880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 64, 76, 80, 93, 95, 96, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 228, 240, 248, 285, 304, 310, 320, 372, 380, 384, 456, 465, 480, 496, 570, 589, 608, 620, 640, 744, 760, 912, 930, 960, 992, 1140, 1178, 1216, 1240, 1488, 1520, 1699, 1767, 1824, 1860, 1920, 1984, 2280, 2356, 2432, 2480, 2945, 2976, 3040, 3398, 3534, 3648, 3720, 3968, 4560, 4712, 4960, 5097, 5890, 5952, 6080, 6796, 7068, 7296, 7440, 8495, 8835, 9120, 9424, 9920, 10194, 11780, 11904, 12160, 13592, 14136, 14880, 16990, 17670, 18240, 18848, 19840, 20388, 23560, 25485, 27184, 28272, 29760, 32281, 33980, 35340, 36480, 37696, 40776, 47120, 50970, 52669, 54368, 56544, 59520, 64562, 67960, 70680, 75392, 81552, 94240, 96843, 101940, 105338, 108736, 113088, 129124, 135920, 141360, 158007, 161405, 163104, 188480, 193686, 203880, 210676, 217472, 226176, 258248, 263345, 271840, 282720, 316014, 322810, 326208, 376960, 387372, 407760, 421352, 484215, 516496, 526690, 543680, 565440, 632028, 645620, 652416, 774744, 790035, 815520, 842704, 968430, 1000711, 1032992, 1053380, 1087360, 1130880, 1264056, 1291240, 1549488, 1580070, 1631040, 1685408, 1936860, 2001422, 2065984, 2106760, 2528112, 2582480, 3002133, 3098976, 3160140, 3262080, 3370816, 3873720, 4002844, 4131968, 4213520, 5003555, 5056224, 5164960, 6004266, 6197952, 6320280, 6741632, 7747440, 8005688, 8427040, 10007110, 10112448, 10329920, 12008532, 12395904, 12640560, 15010665, 15494880, 16011376, 16854080, 20014220, 20224896, 20659840, 24017064, 25281120, 30021330, 30989760, 32022752, 33708160, 40028440, 48034128, 50562240, 60042660, 61979520, 64045504, 80056880, 96068256, 101124480, 120085320, 128091008, 160113760, 192136512, 240170640, 320227520, 384273024, 480341280, 640455040, 960682560, 1921365120]

約数ペア:

[(1, 1921365120), (2, 960682560), (3, 640455040), (4, 480341280), (5, 384273024), (6, 320227520), (8, 240170640), (10, 192136512), (12, 160113760), (15, 128091008), (16, 120085320), (19, 101124480), (20, 96068256), (24, 80056880), (30, 64045504), (31, 61979520), (32, 60042660), (38, 50562240), (40, 48034128), (48, 40028440), (57, 33708160), (60, 32022752), (62, 30989760), (64, 30021330), (76, 25281120), (80, 24017064), (93, 20659840), (95, 20224896), (96, 20014220), (114, 16854080), (120, 16011376), (124, 15494880), (128, 15010665), (152, 12640560), (155, 12395904), (160, 12008532), (186, 10329920), (190, 10112448), (192, 10007110), (228, 8427040), (240, 8005688), (248, 7747440), (285, 6741632), (304, 6320280), (310, 6197952), (320, 6004266), (372, 5164960), (380, 5056224), (384, 5003555), (456, 4213520), (465, 4131968), (480, 4002844), (496, 3873720), (570, 3370816), (589, 3262080), (608, 3160140), (620, 3098976), (640, 3002133), (744, 2582480), (760, 2528112), (912, 2106760), (930, 2065984), (960, 2001422), (992, 1936860), (1140, 1685408), (1178, 1631040), (1216, 1580070), (1240, 1549488), (1488, 1291240), (1520, 1264056), (1699, 1130880), (1767, 1087360), (1824, 1053380), (1860, 1032992), (1920, 1000711), (1984, 968430), (2280, 842704), (2356, 815520), (2432, 790035), (2480, 774744), (2945, 652416), (2976, 645620), (3040, 632028), (3398, 565440), (3534, 543680), (3648, 526690), (3720, 516496), (3968, 484215), (4560, 421352), (4712, 407760), (4960, 387372), (5097, 376960), (5890, 326208), (5952, 322810), (6080, 316014), (6796, 282720), (7068, 271840), (7296, 263345), (7440, 258248), (8495, 226176), (8835, 217472), (9120, 210676), (9424, 203880), (9920, 193686), (10194, 188480), (11780, 163104), (11904, 161405), (12160, 158007), (13592, 141360), (14136, 135920), (14880, 129124), (16990, 113088), (17670, 108736), (18240, 105338), (18848, 101940), (19840, 96843), (20388, 94240), (23560, 81552), (25485, 75392), (27184, 70680), (28272, 67960), (29760, 64562), (32281, 59520), (33980, 56544), (35340, 54368), (36480, 52669), (37696, 50970), (40776, 47120)]