70505560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 162676800

約数和(自身を除く): 92171240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 109, 157, 206, 218, 314, 412, 436, 515, 545, 628, 785, 824, 872, 1030, 1090, 1256, 1570, 2060, 2180, 3140, 4120, 4360, 6280, 11227, 16171, 17113, 22454, 32342, 34226, 44908, 56135, 64684, 68452, 80855, 85565, 89816, 112270, 129368, 136904, 161710, 171130, 224540, 323420, 342260, 449080, 646840, 684520, 1762639, 3525278, 7050556, 8813195, 14101112, 17626390, 35252780, 70505560]

約数ペア:

[(1, 70505560), (2, 35252780), (4, 17626390), (5, 14101112), (8, 8813195), (10, 7050556), (20, 3525278), (40, 1762639), (103, 684520), (109, 646840), (157, 449080), (206, 342260), (218, 323420), (314, 224540), (412, 171130), (436, 161710), (515, 136904), (545, 129368), (628, 112270), (785, 89816), (824, 85565), (872, 80855), (1030, 68452), (1090, 64684), (1256, 56135), (1570, 44908), (2060, 34226), (2180, 32342), (3140, 22454), (4120, 17113), (4360, 16171), (6280, 11227)]