64870875

素因数分解:

$3^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 124581600

約数和(自身を除く): 59710725

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 125, 129, 135, 149, 215, 225, 375, 387, 405, 447, 645, 675, 745, 1075, 1125, 1161, 1341, 1935, 2025, 2235, 3225, 3375, 3483, 3725, 4023, 5375, 5805, 6407, 6705, 9675, 10125, 11175, 12069, 16125, 17415, 18625, 19221, 20115, 29025, 32035, 33525, 48375, 55875, 57663, 60345, 87075, 96105, 100575, 145125, 160175, 167625, 172989, 288315, 301725, 435375, 480525, 502875, 518967, 800875, 864945, 1441575, 1508625, 2402625, 2594835, 4324725, 7207875, 12974175, 21623625, 64870875]

約数ペア:

[(1, 64870875), (3, 21623625), (5, 12974175), (9, 7207875), (15, 4324725), (25, 2594835), (27, 2402625), (43, 1508625), (45, 1441575), (75, 864945), (81, 800875), (125, 518967), (129, 502875), (135, 480525), (149, 435375), (215, 301725), (225, 288315), (375, 172989), (387, 167625), (405, 160175), (447, 145125), (645, 100575), (675, 96105), (745, 87075), (1075, 60345), (1125, 57663), (1161, 55875), (1341, 48375), (1935, 33525), (2025, 32035), (2235, 29025), (3225, 20115), (3375, 19221), (3483, 18625), (3725, 17415), (4023, 16125), (5375, 12069), (5805, 11175), (6407, 10125), (6705, 9675)]