64990260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 214556160

約数和(自身を除く): 149565900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 613, 620, 684, 855, 930, 1116, 1140, 1178, 1226, 1395, 1710, 1767, 1839, 1860, 2356, 2452, 2790, 2945, 3065, 3420, 3534, 3678, 5301, 5517, 5580, 5890, 6130, 7068, 7356, 8835, 9195, 10602, 11034, 11647, 11780, 12260, 17670, 18390, 19003, 21204, 22068, 23294, 26505, 27585, 34941, 35340, 36780, 38006, 46588, 53010, 55170, 57009, 58235, 69882, 76012, 95015, 104823, 106020, 110340, 114018, 116470, 139764, 171027, 174705, 190030, 209646, 228036, 232940, 285045, 342054, 349410, 361057, 380060, 419292, 524115, 570090, 684108, 698820, 722114, 855135, 1048230, 1083171, 1140180, 1444228, 1710270, 1805285, 2096460, 2166342, 3249513, 3420540, 3610570, 4332684, 5415855, 6499026, 7221140, 10831710, 12998052, 16247565, 21663420, 32495130, 64990260]

約数ペア:

[(1, 64990260), (2, 32495130), (3, 21663420), (4, 16247565), (5, 12998052), (6, 10831710), (9, 7221140), (10, 6499026), (12, 5415855), (15, 4332684), (18, 3610570), (19, 3420540), (20, 3249513), (30, 2166342), (31, 2096460), (36, 1805285), (38, 1710270), (45, 1444228), (57, 1140180), (60, 1083171), (62, 1048230), (76, 855135), (90, 722114), (93, 698820), (95, 684108), (114, 570090), (124, 524115), (155, 419292), (171, 380060), (180, 361057), (186, 349410), (190, 342054), (228, 285045), (279, 232940), (285, 228036), (310, 209646), (342, 190030), (372, 174705), (380, 171027), (465, 139764), (558, 116470), (570, 114018), (589, 110340), (613, 106020), (620, 104823), (684, 95015), (855, 76012), (930, 69882), (1116, 58235), (1140, 57009), (1178, 55170), (1226, 53010), (1395, 46588), (1710, 38006), (1767, 36780), (1839, 35340), (1860, 34941), (2356, 27585), (2452, 26505), (2790, 23294), (2945, 22068), (3065, 21204), (3420, 19003), (3534, 18390), (3678, 17670), (5301, 12260), (5517, 11780), (5580, 11647), (5890, 11034), (6130, 10602), (7068, 9195), (7356, 8835)]