160221640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 374952960

約数和(自身を除く): 214731320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 823, 1240, 1256, 1570, 1646, 3140, 3292, 4115, 4867, 6280, 6584, 8230, 9734, 16460, 19468, 24335, 25513, 32920, 38936, 48670, 51026, 97340, 102052, 127565, 129211, 194680, 204104, 255130, 258422, 510260, 516844, 646055, 1020520, 1033688, 1292110, 2584220, 4005541, 5168440, 8011082, 16022164, 20027705, 32044328, 40055410, 80110820, 160221640]

約数ペア:

[(1, 160221640), (2, 80110820), (4, 40055410), (5, 32044328), (8, 20027705), (10, 16022164), (20, 8011082), (31, 5168440), (40, 4005541), (62, 2584220), (124, 1292110), (155, 1033688), (157, 1020520), (248, 646055), (310, 516844), (314, 510260), (620, 258422), (628, 255130), (785, 204104), (823, 194680), (1240, 129211), (1256, 127565), (1570, 102052), (1646, 97340), (3140, 51026), (3292, 48670), (4115, 38936), (4867, 32920), (6280, 25513), (6584, 24335), (8230, 19468), (9734, 16460)]