64791760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 179345664

約数和(自身を除く): 114553904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 61, 68, 71, 80, 85, 88, 110, 122, 136, 142, 170, 176, 187, 220, 244, 272, 284, 305, 340, 355, 374, 440, 488, 568, 610, 671, 680, 710, 748, 781, 880, 935, 976, 1037, 1136, 1207, 1220, 1342, 1360, 1420, 1496, 1562, 1870, 2074, 2414, 2440, 2684, 2840, 2992, 3124, 3355, 3740, 3905, 4148, 4331, 4828, 4880, 5185, 5368, 5680, 6035, 6248, 6710, 7480, 7810, 8296, 8662, 9656, 10370, 10736, 11407, 12070, 12496, 13277, 13420, 14960, 15620, 16592, 17324, 19312, 20740, 21655, 22814, 24140, 26554, 26840, 31240, 34648, 41480, 43310, 45628, 47641, 48280, 53108, 53680, 57035, 62480, 66385, 69296, 73627, 82960, 86620, 91256, 95282, 96560, 106216, 114070, 132770, 147254, 173240, 182512, 190564, 212432, 228140, 238205, 265540, 294508, 346480, 368135, 381128, 456280, 476410, 531080, 589016, 736270, 762256, 809897, 912560, 952820, 1062160, 1178032, 1472540, 1619794, 1905640, 2945080, 3239588, 3811280, 4049485, 5890160, 6479176, 8098970, 12958352, 16197940, 32395880, 64791760]

約数ペア:

[(1, 64791760), (2, 32395880), (4, 16197940), (5, 12958352), (8, 8098970), (10, 6479176), (11, 5890160), (16, 4049485), (17, 3811280), (20, 3239588), (22, 2945080), (34, 1905640), (40, 1619794), (44, 1472540), (55, 1178032), (61, 1062160), (68, 952820), (71, 912560), (80, 809897), (85, 762256), (88, 736270), (110, 589016), (122, 531080), (136, 476410), (142, 456280), (170, 381128), (176, 368135), (187, 346480), (220, 294508), (244, 265540), (272, 238205), (284, 228140), (305, 212432), (340, 190564), (355, 182512), (374, 173240), (440, 147254), (488, 132770), (568, 114070), (610, 106216), (671, 96560), (680, 95282), (710, 91256), (748, 86620), (781, 82960), (880, 73627), (935, 69296), (976, 66385), (1037, 62480), (1136, 57035), (1207, 53680), (1220, 53108), (1342, 48280), (1360, 47641), (1420, 45628), (1496, 43310), (1562, 41480), (1870, 34648), (2074, 31240), (2414, 26840), (2440, 26554), (2684, 24140), (2840, 22814), (2992, 21655), (3124, 20740), (3355, 19312), (3740, 17324), (3905, 16592), (4148, 15620), (4331, 14960), (4828, 13420), (4880, 13277), (5185, 12496), (5368, 12070), (5680, 11407), (6035, 10736), (6248, 10370), (6710, 9656), (7480, 8662), (7810, 8296)]