78006280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 196499520

約数和(自身を除く): 118493240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 121, 142, 220, 227, 242, 284, 355, 440, 454, 484, 568, 605, 710, 781, 908, 968, 1135, 1210, 1420, 1562, 1816, 2270, 2420, 2497, 2840, 3124, 3905, 4540, 4840, 4994, 6248, 7810, 8591, 9080, 9988, 12485, 15620, 16117, 17182, 19976, 24970, 27467, 31240, 32234, 34364, 42955, 49940, 54934, 64468, 68728, 80585, 85910, 99880, 109868, 128936, 137335, 161170, 171820, 177287, 219736, 274670, 322340, 343640, 354574, 549340, 644680, 709148, 886435, 1098680, 1418296, 1772870, 1950157, 3545740, 3900314, 7091480, 7800628, 9750785, 15601256, 19501570, 39003140, 78006280]

約数ペア:

[(1, 78006280), (2, 39003140), (4, 19501570), (5, 15601256), (8, 9750785), (10, 7800628), (11, 7091480), (20, 3900314), (22, 3545740), (40, 1950157), (44, 1772870), (55, 1418296), (71, 1098680), (88, 886435), (110, 709148), (121, 644680), (142, 549340), (220, 354574), (227, 343640), (242, 322340), (284, 274670), (355, 219736), (440, 177287), (454, 171820), (484, 161170), (568, 137335), (605, 128936), (710, 109868), (781, 99880), (908, 85910), (968, 80585), (1135, 68728), (1210, 64468), (1420, 54934), (1562, 49940), (1816, 42955), (2270, 34364), (2420, 32234), (2497, 31240), (2840, 27467), (3124, 24970), (3905, 19976), (4540, 17182), (4840, 16117), (4994, 15620), (6248, 12485), (7810, 9988), (8591, 9080)]