64700775

素因数分解:

$3^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 121532400

約数和(自身を除く): 56831625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 135, 225, 267, 359, 405, 445, 675, 801, 1077, 1335, 1795, 2025, 2225, 2403, 3231, 4005, 5385, 6675, 7209, 8975, 9693, 12015, 16155, 20025, 26925, 29079, 31951, 36045, 48465, 60075, 80775, 95853, 145395, 159755, 180225, 242325, 287559, 479265, 726975, 798775, 862677, 1437795, 2396325, 2588031, 4313385, 7188975, 12940155, 21566925, 64700775]

約数ペア:

[(1, 64700775), (3, 21566925), (5, 12940155), (9, 7188975), (15, 4313385), (25, 2588031), (27, 2396325), (45, 1437795), (75, 862677), (81, 798775), (89, 726975), (135, 479265), (225, 287559), (267, 242325), (359, 180225), (405, 159755), (445, 145395), (675, 95853), (801, 80775), (1077, 60075), (1335, 48465), (1795, 36045), (2025, 31951), (2225, 29079), (2403, 26925), (3231, 20025), (4005, 16155), (5385, 12015), (6675, 9693), (7209, 8975)]