71359640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 176441760

約数和(自身を除く): 105082120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1033, 1256, 1570, 1727, 2066, 3140, 3454, 4132, 5165, 6280, 6908, 8264, 8635, 10330, 11363, 13816, 17270, 20660, 22726, 34540, 41320, 45452, 56815, 69080, 90904, 113630, 162181, 227260, 324362, 454520, 648724, 810905, 1297448, 1621810, 1783991, 3243620, 3567982, 6487240, 7135964, 8919955, 14271928, 17839910, 35679820, 71359640]

約数ペア:

[(1, 71359640), (2, 35679820), (4, 17839910), (5, 14271928), (8, 8919955), (10, 7135964), (11, 6487240), (20, 3567982), (22, 3243620), (40, 1783991), (44, 1621810), (55, 1297448), (88, 810905), (110, 648724), (157, 454520), (220, 324362), (314, 227260), (440, 162181), (628, 113630), (785, 90904), (1033, 69080), (1256, 56815), (1570, 45452), (1727, 41320), (2066, 34540), (3140, 22726), (3454, 20660), (4132, 17270), (5165, 13816), (6280, 11363), (6908, 10330), (8264, 8635)]