721035120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:684

約数の個数: 240

約数和(自身を含む): 2507919840

約数和(自身を除く): 1786884720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 104, 116, 120, 130, 145, 156, 169, 174, 195, 208, 232, 240, 260, 290, 312, 338, 348, 377, 390, 435, 464, 507, 520, 580, 613, 624, 676, 696, 754, 780, 845, 870, 1014, 1040, 1131, 1160, 1226, 1352, 1392, 1508, 1560, 1690, 1740, 1839, 1885, 2028, 2262, 2320, 2452, 2535, 2704, 3016, 3065, 3120, 3380, 3480, 3678, 3770, 4056, 4524, 4901, 4904, 5070, 5655, 6032, 6130, 6760, 6960, 7356, 7540, 7969, 8112, 9048, 9195, 9802, 9808, 10140, 11310, 12260, 13520, 14703, 14712, 15080, 15938, 17777, 18096, 18390, 19604, 20280, 22620, 23907, 24505, 24520, 29406, 29424, 30160, 31876, 35554, 36780, 39208, 39845, 40560, 45240, 47814, 49010, 49040, 53331, 58812, 63752, 71108, 73515, 73560, 78416, 79690, 88885, 90480, 95628, 98020, 103597, 106662, 117624, 119535, 127504, 142216, 147030, 147120, 159380, 177770, 191256, 196040, 207194, 213324, 231101, 235248, 239070, 266655, 284432, 294060, 310791, 318760, 355540, 382512, 392080, 414388, 426648, 462202, 478140, 517985, 533310, 588120, 621582, 637520, 693303, 711080, 828776, 853296, 924404, 956280, 1035970, 1066620, 1155505, 1176240, 1243164, 1386606, 1422160, 1553955, 1657552, 1848808, 1912560, 2071940, 2133240, 2311010, 2486328, 2773212, 3004313, 3107910, 3466515, 3697616, 4143880, 4266480, 4622020, 4972656, 5546424, 6008626, 6215820, 6933030, 8287760, 9012939, 9244040, 11092848, 12017252, 12431640, 13866060, 15021565, 18025878, 18488080, 24034504, 24863280, 27732120, 30043130, 36051756, 45064695, 48069008, 55464240, 60086260, 72103512, 90129390, 120172520, 144207024, 180258780, 240345040, 360517560, 721035120]

約数ペア:

[(1, 721035120), (2, 360517560), (3, 240345040), (4, 180258780), (5, 144207024), (6, 120172520), (8, 90129390), (10, 72103512), (12, 60086260), (13, 55464240), (15, 48069008), (16, 45064695), (20, 36051756), (24, 30043130), (26, 27732120), (29, 24863280), (30, 24034504), (39, 18488080), (40, 18025878), (48, 15021565), (52, 13866060), (58, 12431640), (60, 12017252), (65, 11092848), (78, 9244040), (80, 9012939), (87, 8287760), (104, 6933030), (116, 6215820), (120, 6008626), (130, 5546424), (145, 4972656), (156, 4622020), (169, 4266480), (174, 4143880), (195, 3697616), (208, 3466515), (232, 3107910), (240, 3004313), (260, 2773212), (290, 2486328), (312, 2311010), (338, 2133240), (348, 2071940), (377, 1912560), (390, 1848808), (435, 1657552), (464, 1553955), (507, 1422160), (520, 1386606), (580, 1243164), (613, 1176240), (624, 1155505), (676, 1066620), (696, 1035970), (754, 956280), (780, 924404), (845, 853296), (870, 828776), (1014, 711080), (1040, 693303), (1131, 637520), (1160, 621582), (1226, 588120), (1352, 533310), (1392, 517985), (1508, 478140), (1560, 462202), (1690, 426648), (1740, 414388), (1839, 392080), (1885, 382512), (2028, 355540), (2262, 318760), (2320, 310791), (2452, 294060), (2535, 284432), (2704, 266655), (3016, 239070), (3065, 235248), (3120, 231101), (3380, 213324), (3480, 207194), (3678, 196040), (3770, 191256), (4056, 177770), (4524, 159380), (4901, 147120), (4904, 147030), (5070, 142216), (5655, 127504), (6032, 119535), (6130, 117624), (6760, 106662), (6960, 103597), (7356, 98020), (7540, 95628), (7969, 90480), (8112, 88885), (9048, 79690), (9195, 78416), (9802, 73560), (9808, 73515), (10140, 71108), (11310, 63752), (12260, 58812), (13520, 53331), (14703, 49040), (14712, 49010), (15080, 47814), (15938, 45240), (17777, 40560), (18096, 39845), (18390, 39208), (19604, 36780), (20280, 35554), (22620, 31876), (23907, 30160), (24505, 29424), (24520, 29406)]