18915664080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78815267}}^1$

素因数の和:78815283

約数の個数: 40

約数和(自身を含む): 58638559392

約数和(自身を除く): 39722895312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78815267, 157630534, 236445801, 315261068, 394076335, 472891602, 630522136, 788152670, 945783204, 1182229005, 1261044272, 1576305340, 1891566408, 2364458010, 3152610680, 3783132816, 4728916020, 6305221360, 9457832040, 18915664080]

約数ペア:

[(1, 18915664080), (2, 9457832040), (3, 6305221360), (4, 4728916020), (5, 3783132816), (6, 3152610680), (8, 2364458010), (10, 1891566408), (12, 1576305340), (15, 1261044272), (16, 1182229005), (20, 945783204), (24, 788152670), (30, 630522136), (40, 472891602), (48, 394076335), (60, 315261068), (80, 236445801), (120, 157630534), (240, 78815267)]