9978750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{887}}^1$

素因数の和:915

約数の個数: 60

約数和(自身を含む): 27047592

約数和(自身を除く): 17068842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 887, 1125, 1250, 1774, 1875, 2250, 2661, 3750, 4435, 5322, 5625, 7983, 8870, 11250, 13305, 15966, 22175, 26610, 39915, 44350, 66525, 79830, 110875, 133050, 199575, 221750, 332625, 399150, 554375, 665250, 997875, 1108750, 1663125, 1995750, 3326250, 4989375, 9978750]

約数ペア:

[(1, 9978750), (2, 4989375), (3, 3326250), (5, 1995750), (6, 1663125), (9, 1108750), (10, 997875), (15, 665250), (18, 554375), (25, 399150), (30, 332625), (45, 221750), (50, 199575), (75, 133050), (90, 110875), (125, 79830), (150, 66525), (225, 44350), (250, 39915), (375, 26610), (450, 22175), (625, 15966), (750, 13305), (887, 11250), (1125, 8870), (1250, 7983), (1774, 5625), (1875, 5322), (2250, 4435), (2661, 3750)]