72445120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1871}}^1$

素因数の和:1910

約数の個数: 84

約数和(自身を含む): 189719712

約数和(自身を除く): 117274592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1871, 1936, 2420, 3520, 3742, 3872, 4840, 7484, 7744, 9355, 9680, 14968, 18710, 19360, 20581, 29936, 37420, 38720, 41162, 59872, 74840, 82324, 102905, 119744, 149680, 164648, 205810, 226391, 299360, 329296, 411620, 452782, 598720, 658592, 823240, 905564, 1131955, 1317184, 1646480, 1811128, 2263910, 3292960, 3622256, 4527820, 6585920, 7244512, 9055640, 14489024, 18111280, 36222560, 72445120]

約数ペア:

[(1, 72445120), (2, 36222560), (4, 18111280), (5, 14489024), (8, 9055640), (10, 7244512), (11, 6585920), (16, 4527820), (20, 3622256), (22, 3292960), (32, 2263910), (40, 1811128), (44, 1646480), (55, 1317184), (64, 1131955), (80, 905564), (88, 823240), (110, 658592), (121, 598720), (160, 452782), (176, 411620), (220, 329296), (242, 299360), (320, 226391), (352, 205810), (440, 164648), (484, 149680), (605, 119744), (704, 102905), (880, 82324), (968, 74840), (1210, 59872), (1760, 41162), (1871, 38720), (1936, 37420), (2420, 29936), (3520, 20581), (3742, 19360), (3872, 18710), (4840, 14968), (7484, 9680), (7744, 9355)]