1625520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 5437152

約数和(自身を除く): 3811632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 521, 624, 780, 1040, 1042, 1560, 1563, 2084, 2605, 3120, 3126, 4168, 5210, 6252, 6773, 7815, 8336, 10420, 12504, 13546, 15630, 20319, 20840, 25008, 27092, 31260, 33865, 40638, 41680, 54184, 62520, 67730, 81276, 101595, 108368, 125040, 135460, 162552, 203190, 270920, 325104, 406380, 541840, 812760, 1625520]

約数ペア:

[(1, 1625520), (2, 812760), (3, 541840), (4, 406380), (5, 325104), (6, 270920), (8, 203190), (10, 162552), (12, 135460), (13, 125040), (15, 108368), (16, 101595), (20, 81276), (24, 67730), (26, 62520), (30, 54184), (39, 41680), (40, 40638), (48, 33865), (52, 31260), (60, 27092), (65, 25008), (78, 20840), (80, 20319), (104, 15630), (120, 13546), (130, 12504), (156, 10420), (195, 8336), (208, 7815), (240, 6773), (260, 6252), (312, 5210), (390, 4168), (520, 3126), (521, 3120), (624, 2605), (780, 2084), (1040, 1563), (1042, 1560)]