1631250

素因数分解:

$2^1\times 3^2\times 5^5\times {\mathrm{29}}^1$

素因数の和:62

約数の個数: 72

約数和(自身を含む): 4570020

約数和(自身を除く): 2938770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 125, 145, 150, 174, 225, 250, 261, 290, 375, 435, 450, 522, 625, 725, 750, 870, 1125, 1250, 1305, 1450, 1875, 2175, 2250, 2610, 3125, 3625, 3750, 4350, 5625, 6250, 6525, 7250, 9375, 10875, 11250, 13050, 18125, 18750, 21750, 28125, 32625, 36250, 54375, 56250, 65250, 90625, 108750, 163125, 181250, 271875, 326250, 543750, 815625, 1631250]

約数ペア:

[(1, 1631250), (2, 815625), (3, 543750), (5, 326250), (6, 271875), (9, 181250), (10, 163125), (15, 108750), (18, 90625), (25, 65250), (29, 56250), (30, 54375), (45, 36250), (50, 32625), (58, 28125), (75, 21750), (87, 18750), (90, 18125), (125, 13050), (145, 11250), (150, 10875), (174, 9375), (225, 7250), (250, 6525), (261, 6250), (290, 5625), (375, 4350), (435, 3750), (450, 3625), (522, 3125), (625, 2610), (725, 2250), (750, 2175), (870, 1875), (1125, 1450), (1250, 1305)]