131731740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{104549}}^1$

素因数の和:104571

約数の個数: 72

約数和(自身を含む): 456674400

約数和(自身を除く): 324942660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 104549, 209098, 313647, 418196, 522745, 627294, 731843, 940941, 1045490, 1254588, 1463686, 1568235, 1881882, 2090980, 2195529, 2927372, 3136470, 3659215, 3763764, 4391058, 4704705, 6272940, 6586587, 7318430, 8782116, 9409410, 10977645, 13173174, 14636860, 18818820, 21955290, 26346348, 32932935, 43910580, 65865870, 131731740]

約数ペア:

[(1, 131731740), (2, 65865870), (3, 43910580), (4, 32932935), (5, 26346348), (6, 21955290), (7, 18818820), (9, 14636860), (10, 13173174), (12, 10977645), (14, 9409410), (15, 8782116), (18, 7318430), (20, 6586587), (21, 6272940), (28, 4704705), (30, 4391058), (35, 3763764), (36, 3659215), (42, 3136470), (45, 2927372), (60, 2195529), (63, 2090980), (70, 1881882), (84, 1568235), (90, 1463686), (105, 1254588), (126, 1045490), (140, 940941), (180, 731843), (210, 627294), (252, 522745), (315, 418196), (420, 313647), (630, 209098), (1260, 104549)]