648935880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1181}}^1$

素因数の和:1455

約数の個数: 128

約数和(自身を含む): 2059516800

約数和(自身を除く): 1410580920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 241, 285, 380, 456, 482, 570, 723, 760, 964, 1140, 1181, 1205, 1446, 1928, 2280, 2362, 2410, 2892, 3543, 3615, 4579, 4724, 4820, 5784, 5905, 7086, 7230, 9158, 9448, 9640, 11810, 13737, 14172, 14460, 17715, 18316, 22439, 22895, 23620, 27474, 28344, 28920, 35430, 36632, 44878, 45790, 47240, 54948, 67317, 68685, 70860, 89756, 91580, 109896, 112195, 134634, 137370, 141720, 179512, 183160, 224390, 269268, 274740, 284621, 336585, 448780, 538536, 549480, 569242, 673170, 853863, 897560, 1138484, 1346340, 1423105, 1707726, 2276968, 2692680, 2846210, 3415452, 4269315, 5407799, 5692420, 6830904, 8538630, 10815598, 11384840, 16223397, 17077260, 21631196, 27038995, 32446794, 34154520, 43262392, 54077990, 64893588, 81116985, 108155980, 129787176, 162233970, 216311960, 324467940, 648935880]

約数ペア:

[(1, 648935880), (2, 324467940), (3, 216311960), (4, 162233970), (5, 129787176), (6, 108155980), (8, 81116985), (10, 64893588), (12, 54077990), (15, 43262392), (19, 34154520), (20, 32446794), (24, 27038995), (30, 21631196), (38, 17077260), (40, 16223397), (57, 11384840), (60, 10815598), (76, 8538630), (95, 6830904), (114, 5692420), (120, 5407799), (152, 4269315), (190, 3415452), (228, 2846210), (241, 2692680), (285, 2276968), (380, 1707726), (456, 1423105), (482, 1346340), (570, 1138484), (723, 897560), (760, 853863), (964, 673170), (1140, 569242), (1181, 549480), (1205, 538536), (1446, 448780), (1928, 336585), (2280, 284621), (2362, 274740), (2410, 269268), (2892, 224390), (3543, 183160), (3615, 179512), (4579, 141720), (4724, 137370), (4820, 134634), (5784, 112195), (5905, 109896), (7086, 91580), (7230, 89756), (9158, 70860), (9448, 68685), (9640, 67317), (11810, 54948), (13737, 47240), (14172, 45790), (14460, 44878), (17715, 36632), (18316, 35430), (22439, 28920), (22895, 28344), (23620, 27474)]