87680180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10267}}^1$

素因数の和:10344

約数の個数: 48

約数和(自身を含む): 213902976

約数和(自身を除く): 126222796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 10267, 20534, 41068, 51335, 71869, 102670, 143738, 205340, 287476, 359345, 626287, 718690, 1252574, 1437380, 2505148, 3131435, 4384009, 6262870, 8768018, 12525740, 17536036, 21920045, 43840090, 87680180]

約数ペア:

[(1, 87680180), (2, 43840090), (4, 21920045), (5, 17536036), (7, 12525740), (10, 8768018), (14, 6262870), (20, 4384009), (28, 3131435), (35, 2505148), (61, 1437380), (70, 1252574), (122, 718690), (140, 626287), (244, 359345), (305, 287476), (427, 205340), (610, 143738), (854, 102670), (1220, 71869), (1708, 51335), (2135, 41068), (4270, 20534), (8540, 10267)]