1643789588840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{82685593}}^1$

素因数の和:82685682

約数の個数: 64

約数和(自身を含む): 4286421192960

約数和(自身を除く): 2642631604120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 82685593, 165371186, 330742372, 413427965, 578799151, 661484744, 826855930, 1157598302, 1653711860, 2315196604, 2893995755, 3307423720, 4630393208, 5787991510, 5870677103, 11575983020, 11741354206, 23151966040, 23482708412, 29353385515, 41094739721, 46965416824, 58706771030, 82189479442, 117413542060, 164378958884, 205473698605, 234827084120, 328757917768, 410947397210, 821894794420, 1643789588840]

約数ペア:

[(1, 1643789588840), (2, 821894794420), (4, 410947397210), (5, 328757917768), (7, 234827084120), (8, 205473698605), (10, 164378958884), (14, 117413542060), (20, 82189479442), (28, 58706771030), (35, 46965416824), (40, 41094739721), (56, 29353385515), (70, 23482708412), (71, 23151966040), (140, 11741354206), (142, 11575983020), (280, 5870677103), (284, 5787991510), (355, 4630393208), (497, 3307423720), (568, 2893995755), (710, 2315196604), (994, 1653711860), (1420, 1157598302), (1988, 826855930), (2485, 661484744), (2840, 578799151), (3976, 413427965), (4970, 330742372), (9940, 165371186), (19880, 82685593)]