87640740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44263}}^1$

素因数の和:44289

約数の個数: 72

約数和(自身を含む): 290017728

約数和(自身を除く): 202376988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 44263, 88526, 132789, 177052, 221315, 265578, 398367, 442630, 486893, 531156, 663945, 796734, 885260, 973786, 1327890, 1460679, 1593468, 1947572, 1991835, 2434465, 2655780, 2921358, 3983670, 4382037, 4868930, 5842716, 7303395, 7967340, 8764074, 9737860, 14606790, 17528148, 21910185, 29213580, 43820370, 87640740]

約数ペア:

[(1, 87640740), (2, 43820370), (3, 29213580), (4, 21910185), (5, 17528148), (6, 14606790), (9, 9737860), (10, 8764074), (11, 7967340), (12, 7303395), (15, 5842716), (18, 4868930), (20, 4382037), (22, 3983670), (30, 2921358), (33, 2655780), (36, 2434465), (44, 1991835), (45, 1947572), (55, 1593468), (60, 1460679), (66, 1327890), (90, 973786), (99, 885260), (110, 796734), (132, 663945), (165, 531156), (180, 486893), (198, 442630), (220, 398367), (330, 265578), (396, 221315), (495, 177052), (660, 132789), (990, 88526), (1980, 44263)]