156937880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20981}}^1$

素因数の和:21020

約数の個数: 64

約数和(自身を含む): 407890080

約数和(自身を除く): 250952200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 20981, 41962, 83924, 104905, 167848, 209810, 230791, 356677, 419620, 461582, 713354, 839240, 923164, 1153955, 1426708, 1783385, 1846328, 2307910, 2853416, 3566770, 3923447, 4615820, 7133540, 7846894, 9231640, 14267080, 15693788, 19617235, 31387576, 39234470, 78468940, 156937880]

約数ペア:

[(1, 156937880), (2, 78468940), (4, 39234470), (5, 31387576), (8, 19617235), (10, 15693788), (11, 14267080), (17, 9231640), (20, 7846894), (22, 7133540), (34, 4615820), (40, 3923447), (44, 3566770), (55, 2853416), (68, 2307910), (85, 1846328), (88, 1783385), (110, 1426708), (136, 1153955), (170, 923164), (187, 839240), (220, 713354), (340, 461582), (374, 419620), (440, 356677), (680, 230791), (748, 209810), (935, 167848), (1496, 104905), (1870, 83924), (3740, 41962), (7480, 20981)]