69978040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 173028960

約数和(自身を除く): 103050920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1013, 1256, 1570, 1727, 2026, 3140, 3454, 4052, 5065, 6280, 6908, 8104, 8635, 10130, 11143, 13816, 17270, 20260, 22286, 34540, 40520, 44572, 55715, 69080, 89144, 111430, 159041, 222860, 318082, 445720, 636164, 795205, 1272328, 1590410, 1749451, 3180820, 3498902, 6361640, 6997804, 8747255, 13995608, 17494510, 34989020, 69978040]

約数ペア:

[(1, 69978040), (2, 34989020), (4, 17494510), (5, 13995608), (8, 8747255), (10, 6997804), (11, 6361640), (20, 3498902), (22, 3180820), (40, 1749451), (44, 1590410), (55, 1272328), (88, 795205), (110, 636164), (157, 445720), (220, 318082), (314, 222860), (440, 159041), (628, 111430), (785, 89144), (1013, 69080), (1256, 55715), (1570, 44572), (1727, 40520), (2026, 34540), (3140, 22286), (3454, 20260), (4052, 17270), (5065, 13816), (6280, 11143), (6908, 10130), (8104, 8635)]