64558125

素因数分解:

$3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 60

約数和(自身を含む): 121836000

約数和(自身を除く): 57277875

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 499, 575, 625, 1035, 1125, 1497, 1725, 1875, 2495, 2875, 4491, 5175, 5625, 7485, 8625, 11477, 12475, 14375, 22455, 25875, 34431, 37425, 43125, 57385, 62375, 103293, 112275, 129375, 172155, 187125, 286925, 311875, 516465, 561375, 860775, 935625, 1434625, 2582325, 2806875, 4303875, 7173125, 12911625, 21519375, 64558125]

約数ペア:

[(1, 64558125), (3, 21519375), (5, 12911625), (9, 7173125), (15, 4303875), (23, 2806875), (25, 2582325), (45, 1434625), (69, 935625), (75, 860775), (115, 561375), (125, 516465), (207, 311875), (225, 286925), (345, 187125), (375, 172155), (499, 129375), (575, 112275), (625, 103293), (1035, 62375), (1125, 57385), (1497, 43125), (1725, 37425), (1875, 34431), (2495, 25875), (2875, 22455), (4491, 14375), (5175, 12475), (5625, 11477), (7485, 8625)]