254956560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2039}}^1$

素因数の和:2576

約数の個数: 80

約数和(自身を含む): 792270720

約数和(自身を除く): 537314160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 1042, 1563, 2039, 2084, 2605, 3126, 4078, 4168, 5210, 6117, 6252, 7815, 8156, 8336, 10195, 10420, 12234, 12504, 15630, 16312, 20390, 20840, 24468, 25008, 30585, 31260, 32624, 40780, 41680, 48936, 61170, 62520, 81560, 97872, 122340, 125040, 163120, 244680, 489360, 1062319, 2124638, 3186957, 4249276, 5311595, 6373914, 8498552, 10623190, 12747828, 15934785, 16997104, 21246380, 25495656, 31869570, 42492760, 50991312, 63739140, 84985520, 127478280, 254956560]

約数ペア:

[(1, 254956560), (2, 127478280), (3, 84985520), (4, 63739140), (5, 50991312), (6, 42492760), (8, 31869570), (10, 25495656), (12, 21246380), (15, 16997104), (16, 15934785), (20, 12747828), (24, 10623190), (30, 8498552), (40, 6373914), (48, 5311595), (60, 4249276), (80, 3186957), (120, 2124638), (240, 1062319), (521, 489360), (1042, 244680), (1563, 163120), (2039, 125040), (2084, 122340), (2605, 97872), (3126, 81560), (4078, 62520), (4168, 61170), (5210, 48936), (6117, 41680), (6252, 40780), (7815, 32624), (8156, 31260), (8336, 30585), (10195, 25008), (10420, 24468), (12234, 20840), (12504, 20390), (15630, 16312)]