51494220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6653}}^1$

素因数の和:6711

約数の個数: 72

約数和(自身を含む): 159855696

約数和(自身を除く): 108361476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 6653, 7740, 13306, 19959, 26612, 33265, 39918, 59877, 66530, 79836, 99795, 119754, 133060, 199590, 239508, 286079, 299385, 399180, 572158, 598770, 858237, 1144316, 1197540, 1430395, 1716474, 2574711, 2860790, 3432948, 4291185, 5149422, 5721580, 8582370, 10298844, 12873555, 17164740, 25747110, 51494220]

約数ペア:

[(1, 51494220), (2, 25747110), (3, 17164740), (4, 12873555), (5, 10298844), (6, 8582370), (9, 5721580), (10, 5149422), (12, 4291185), (15, 3432948), (18, 2860790), (20, 2574711), (30, 1716474), (36, 1430395), (43, 1197540), (45, 1144316), (60, 858237), (86, 598770), (90, 572158), (129, 399180), (172, 299385), (180, 286079), (215, 239508), (258, 199590), (387, 133060), (430, 119754), (516, 99795), (645, 79836), (774, 66530), (860, 59877), (1290, 39918), (1548, 33265), (1935, 26612), (2580, 19959), (3870, 13306), (6653, 7740)]