78765840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109397}}^1$

素因数の和:109416

約数の個数: 60

約数和(自身を含む): 264524364

約数和(自身を除く): 185758524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109397, 218794, 328191, 437588, 546985, 656382, 875176, 984573, 1093970, 1312764, 1640955, 1750352, 1969146, 2187940, 2625528, 3281910, 3938292, 4375880, 4922865, 5251056, 6563820, 7876584, 8751760, 9845730, 13127640, 15753168, 19691460, 26255280, 39382920, 78765840]

約数ペア:

[(1, 78765840), (2, 39382920), (3, 26255280), (4, 19691460), (5, 15753168), (6, 13127640), (8, 9845730), (9, 8751760), (10, 7876584), (12, 6563820), (15, 5251056), (16, 4922865), (18, 4375880), (20, 3938292), (24, 3281910), (30, 2625528), (36, 2187940), (40, 1969146), (45, 1750352), (48, 1640955), (60, 1312764), (72, 1093970), (80, 984573), (90, 875176), (120, 656382), (144, 546985), (180, 437588), (240, 328191), (360, 218794), (720, 109397)]