31008900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7951}}^1$

素因数の和:7981

約数の個数: 72

約数和(自身を含む): 96632704

約数和(自身を除く): 65623804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7951, 15902, 23853, 31804, 39755, 47706, 79510, 95412, 103363, 119265, 159020, 198775, 206726, 238530, 310089, 397550, 413452, 477060, 516815, 596325, 620178, 795100, 1033630, 1192650, 1240356, 1550445, 2067260, 2385300, 2584075, 3100890, 5168150, 6201780, 7752225, 10336300, 15504450, 31008900]

約数ペア:

[(1, 31008900), (2, 15504450), (3, 10336300), (4, 7752225), (5, 6201780), (6, 5168150), (10, 3100890), (12, 2584075), (13, 2385300), (15, 2067260), (20, 1550445), (25, 1240356), (26, 1192650), (30, 1033630), (39, 795100), (50, 620178), (52, 596325), (60, 516815), (65, 477060), (75, 413452), (78, 397550), (100, 310089), (130, 238530), (150, 206726), (156, 198775), (195, 159020), (260, 119265), (300, 103363), (325, 95412), (390, 79510), (650, 47706), (780, 39755), (975, 31804), (1300, 23853), (1950, 15902), (3900, 7951)]