78251220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2879}}^1$

素因数の和:3045

約数の個数: 72

約数和(自身を含む): 239016960

約数和(自身を除く): 160765740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 2879, 3020, 4530, 5436, 5758, 6795, 8637, 9060, 11516, 13590, 14395, 17274, 25911, 27180, 28790, 34548, 43185, 51822, 57580, 86370, 103644, 129555, 172740, 259110, 434729, 518220, 869458, 1304187, 1738916, 2173645, 2608374, 3912561, 4347290, 5216748, 6520935, 7825122, 8694580, 13041870, 15650244, 19562805, 26083740, 39125610, 78251220]

約数ペア:

[(1, 78251220), (2, 39125610), (3, 26083740), (4, 19562805), (5, 15650244), (6, 13041870), (9, 8694580), (10, 7825122), (12, 6520935), (15, 5216748), (18, 4347290), (20, 3912561), (30, 2608374), (36, 2173645), (45, 1738916), (60, 1304187), (90, 869458), (151, 518220), (180, 434729), (302, 259110), (453, 172740), (604, 129555), (755, 103644), (906, 86370), (1359, 57580), (1510, 51822), (1812, 43185), (2265, 34548), (2718, 28790), (2879, 27180), (3020, 25911), (4530, 17274), (5436, 14395), (5758, 13590), (6795, 11516), (8637, 9060)]