72195640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 107585480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2311, 2840, 3124, 3905, 4622, 6248, 7810, 9244, 11555, 15620, 18488, 23110, 25421, 31240, 46220, 50842, 92440, 101684, 127105, 164081, 203368, 254210, 328162, 508420, 656324, 820405, 1016840, 1312648, 1640810, 1804891, 3281620, 3609782, 6563240, 7219564, 9024455, 14439128, 18048910, 36097820, 72195640]

約数ペア:

[(1, 72195640), (2, 36097820), (4, 18048910), (5, 14439128), (8, 9024455), (10, 7219564), (11, 6563240), (20, 3609782), (22, 3281620), (40, 1804891), (44, 1640810), (55, 1312648), (71, 1016840), (88, 820405), (110, 656324), (142, 508420), (220, 328162), (284, 254210), (355, 203368), (440, 164081), (568, 127105), (710, 101684), (781, 92440), (1420, 50842), (1562, 46220), (2311, 31240), (2840, 25421), (3124, 23110), (3905, 18488), (4622, 15620), (6248, 11555), (7810, 9244)]