78580980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8237}}^1$

素因数の和:8305

約数の個数: 72

約数和(自身を含む): 242889192

約数和(自身を除く): 164308212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 8237, 9540, 16474, 24711, 32948, 41185, 49422, 74133, 82370, 98844, 123555, 148266, 164740, 247110, 296532, 370665, 436561, 494220, 741330, 873122, 1309683, 1482660, 1746244, 2182805, 2619366, 3929049, 4365610, 5238732, 6548415, 7858098, 8731220, 13096830, 15716196, 19645245, 26193660, 39290490, 78580980]

約数ペア:

[(1, 78580980), (2, 39290490), (3, 26193660), (4, 19645245), (5, 15716196), (6, 13096830), (9, 8731220), (10, 7858098), (12, 6548415), (15, 5238732), (18, 4365610), (20, 3929049), (30, 2619366), (36, 2182805), (45, 1746244), (53, 1482660), (60, 1309683), (90, 873122), (106, 741330), (159, 494220), (180, 436561), (212, 370665), (265, 296532), (318, 247110), (477, 164740), (530, 148266), (636, 123555), (795, 98844), (954, 82370), (1060, 74133), (1590, 49422), (1908, 41185), (2385, 32948), (3180, 24711), (4770, 16474), (8237, 9540)]