61391660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{773}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 148626576

約数和(自身を除く): 87234916

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 773, 836, 1045, 1444, 1546, 1805, 2090, 3092, 3610, 3865, 3971, 4180, 7220, 7730, 7942, 8503, 14687, 15460, 15884, 17006, 19855, 29374, 34012, 39710, 42515, 58748, 73435, 79420, 85030, 146870, 161557, 170060, 279053, 293740, 323114, 558106, 646228, 807785, 1116212, 1395265, 1615570, 2790530, 3069583, 3231140, 5581060, 6139166, 12278332, 15347915, 30695830, 61391660]

約数ペア:

[(1, 61391660), (2, 30695830), (4, 15347915), (5, 12278332), (10, 6139166), (11, 5581060), (19, 3231140), (20, 3069583), (22, 2790530), (38, 1615570), (44, 1395265), (55, 1116212), (76, 807785), (95, 646228), (110, 558106), (190, 323114), (209, 293740), (220, 279053), (361, 170060), (380, 161557), (418, 146870), (722, 85030), (773, 79420), (836, 73435), (1045, 58748), (1444, 42515), (1546, 39710), (1805, 34012), (2090, 29374), (3092, 19855), (3610, 17006), (3865, 15884), (3971, 15460), (4180, 14687), (7220, 8503), (7730, 7942)]