91918980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17609}}^1$

素因数の和:17653

約数の個数: 72

約数和(自身を含む): 288451800

約数和(自身を除く): 196532820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 17609, 35218, 52827, 70436, 88045, 105654, 158481, 176090, 211308, 264135, 316962, 352180, 510661, 528270, 633924, 792405, 1021322, 1056540, 1531983, 1584810, 2042644, 2553305, 3063966, 3169620, 4595949, 5106610, 6127932, 7659915, 9191898, 10213220, 15319830, 18383796, 22979745, 30639660, 45959490, 91918980]

約数ペア:

[(1, 91918980), (2, 45959490), (3, 30639660), (4, 22979745), (5, 18383796), (6, 15319830), (9, 10213220), (10, 9191898), (12, 7659915), (15, 6127932), (18, 5106610), (20, 4595949), (29, 3169620), (30, 3063966), (36, 2553305), (45, 2042644), (58, 1584810), (60, 1531983), (87, 1056540), (90, 1021322), (116, 792405), (145, 633924), (174, 528270), (180, 510661), (261, 352180), (290, 316962), (348, 264135), (435, 211308), (522, 176090), (580, 158481), (870, 105654), (1044, 88045), (1305, 70436), (1740, 52827), (2610, 35218), (5220, 17609)]