72499875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 140175360

約数和(自身を除く): 67675485

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 125, 175, 213, 355, 375, 389, 497, 525, 875, 1065, 1167, 1491, 1775, 1945, 2485, 2625, 2723, 5325, 5835, 7455, 8169, 8875, 9725, 12425, 13615, 26625, 27619, 29175, 37275, 40845, 48625, 62125, 68075, 82857, 138095, 145875, 186375, 193333, 204225, 340375, 414285, 579999, 690475, 966665, 1021125, 2071425, 2899995, 3452375, 4833325, 10357125, 14499975, 24166625, 72499875]

約数ペア:

[(1, 72499875), (3, 24166625), (5, 14499975), (7, 10357125), (15, 4833325), (21, 3452375), (25, 2899995), (35, 2071425), (71, 1021125), (75, 966665), (105, 690475), (125, 579999), (175, 414285), (213, 340375), (355, 204225), (375, 193333), (389, 186375), (497, 145875), (525, 138095), (875, 82857), (1065, 68075), (1167, 62125), (1491, 48625), (1775, 40845), (1945, 37275), (2485, 29175), (2625, 27619), (2723, 26625), (5325, 13615), (5835, 12425), (7455, 9725), (8169, 8875)]