72388125

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:800

約数の個数: 60

約数和(自身を含む): 138527532

約数和(自身を除く): 66139407

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 757, 765, 1125, 1275, 1875, 2125, 2271, 3785, 3825, 5625, 6375, 6813, 10625, 11355, 12869, 18925, 19125, 31875, 34065, 38607, 56775, 64345, 94625, 95625, 115821, 170325, 193035, 283875, 321725, 473125, 579105, 851625, 965175, 1419375, 1608625, 2895525, 4258125, 4825875, 8043125, 14477625, 24129375, 72388125]

約数ペア:

[(1, 72388125), (3, 24129375), (5, 14477625), (9, 8043125), (15, 4825875), (17, 4258125), (25, 2895525), (45, 1608625), (51, 1419375), (75, 965175), (85, 851625), (125, 579105), (153, 473125), (225, 321725), (255, 283875), (375, 193035), (425, 170325), (625, 115821), (757, 95625), (765, 94625), (1125, 64345), (1275, 56775), (1875, 38607), (2125, 34065), (2271, 31875), (3785, 19125), (3825, 18925), (5625, 12869), (6375, 11355), (6813, 10625)]