78310160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 195737472

約数和(自身を除く): 117427312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 811, 1136, 1207, 1360, 1420, 1622, 2414, 2840, 3244, 4055, 4828, 5680, 6035, 6488, 8110, 9656, 12070, 12976, 13787, 16220, 19312, 24140, 27574, 32440, 48280, 55148, 57581, 64880, 68935, 96560, 110296, 115162, 137870, 220592, 230324, 275740, 287905, 460648, 551480, 575810, 921296, 978877, 1102960, 1151620, 1957754, 2303240, 3915508, 4606480, 4894385, 7831016, 9788770, 15662032, 19577540, 39155080, 78310160]

約数ペア:

[(1, 78310160), (2, 39155080), (4, 19577540), (5, 15662032), (8, 9788770), (10, 7831016), (16, 4894385), (17, 4606480), (20, 3915508), (34, 2303240), (40, 1957754), (68, 1151620), (71, 1102960), (80, 978877), (85, 921296), (136, 575810), (142, 551480), (170, 460648), (272, 287905), (284, 275740), (340, 230324), (355, 220592), (568, 137870), (680, 115162), (710, 110296), (811, 96560), (1136, 68935), (1207, 64880), (1360, 57581), (1420, 55148), (1622, 48280), (2414, 32440), (2840, 27574), (3244, 24140), (4055, 19312), (4828, 16220), (5680, 13787), (6035, 12976), (6488, 12070), (8110, 9656)]