87821920

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^2\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 212402736

約数和(自身を除く): 124580816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 103, 146, 160, 206, 292, 365, 412, 515, 584, 730, 824, 1030, 1168, 1460, 1648, 2060, 2336, 2920, 3296, 4120, 5329, 5840, 7519, 8240, 10658, 11680, 15038, 16480, 21316, 26645, 30076, 37595, 42632, 53290, 60152, 75190, 85264, 106580, 120304, 150380, 170528, 213160, 240608, 300760, 426320, 548887, 601520, 852640, 1097774, 1203040, 2195548, 2744435, 4391096, 5488870, 8782192, 10977740, 17564384, 21955480, 43910960, 87821920]

約数ペア:

[(1, 87821920), (2, 43910960), (4, 21955480), (5, 17564384), (8, 10977740), (10, 8782192), (16, 5488870), (20, 4391096), (32, 2744435), (40, 2195548), (73, 1203040), (80, 1097774), (103, 852640), (146, 601520), (160, 548887), (206, 426320), (292, 300760), (365, 240608), (412, 213160), (515, 170528), (584, 150380), (730, 120304), (824, 106580), (1030, 85264), (1168, 75190), (1460, 60152), (1648, 53290), (2060, 42632), (2336, 37595), (2920, 30076), (3296, 26645), (4120, 21316), (5329, 16480), (5840, 15038), (7519, 11680), (8240, 10658)]