72819560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 106806040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 359, 440, 461, 718, 922, 1436, 1795, 1844, 2305, 2872, 3590, 3688, 3949, 4610, 5071, 7180, 7898, 9220, 10142, 14360, 15796, 18440, 19745, 20284, 25355, 31592, 39490, 40568, 50710, 78980, 101420, 157960, 165499, 202840, 330998, 661996, 827495, 1323992, 1654990, 1820489, 3309980, 3640978, 6619960, 7281956, 9102445, 14563912, 18204890, 36409780, 72819560]

約数ペア:

[(1, 72819560), (2, 36409780), (4, 18204890), (5, 14563912), (8, 9102445), (10, 7281956), (11, 6619960), (20, 3640978), (22, 3309980), (40, 1820489), (44, 1654990), (55, 1323992), (88, 827495), (110, 661996), (220, 330998), (359, 202840), (440, 165499), (461, 157960), (718, 101420), (922, 78980), (1436, 50710), (1795, 40568), (1844, 39490), (2305, 31592), (2872, 25355), (3590, 20284), (3688, 19745), (3949, 18440), (4610, 15796), (5071, 14360), (7180, 10142), (7898, 9220)]