15661569080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{50593}}^1$

素因数の和:50784

約数の個数: 64

約数和(自身を含む): 36063403200

約数和(自身を除く): 20401834120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 109, 142, 218, 284, 355, 436, 545, 568, 710, 872, 1090, 1420, 2180, 2840, 4360, 7739, 15478, 30956, 38695, 50593, 61912, 77390, 101186, 154780, 202372, 252965, 309560, 404744, 505930, 1011860, 2023720, 3592103, 5514637, 7184206, 11029274, 14368412, 17960515, 22058548, 27573185, 28736824, 35921030, 44117096, 55146370, 71842060, 110292740, 143684120, 220585480, 391539227, 783078454, 1566156908, 1957696135, 3132313816, 3915392270, 7830784540, 15661569080]

約数ペア:

[(1, 15661569080), (2, 7830784540), (4, 3915392270), (5, 3132313816), (8, 1957696135), (10, 1566156908), (20, 783078454), (40, 391539227), (71, 220585480), (109, 143684120), (142, 110292740), (218, 71842060), (284, 55146370), (355, 44117096), (436, 35921030), (545, 28736824), (568, 27573185), (710, 22058548), (872, 17960515), (1090, 14368412), (1420, 11029274), (2180, 7184206), (2840, 5514637), (4360, 3592103), (7739, 2023720), (15478, 1011860), (30956, 505930), (38695, 404744), (50593, 309560), (61912, 252965), (77390, 202372), (101186, 154780)]