87707020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 201862080

約数和(自身を除く): 114155060

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 61, 67, 74, 116, 122, 134, 145, 148, 185, 244, 268, 290, 305, 335, 370, 580, 610, 670, 740, 1073, 1220, 1340, 1769, 1943, 2146, 2257, 2479, 3538, 3886, 4087, 4292, 4514, 4958, 5365, 7076, 7772, 8174, 8845, 9028, 9715, 9916, 10730, 11285, 12395, 16348, 17690, 19430, 20435, 21460, 22570, 24790, 35380, 38860, 40870, 45140, 49580, 65453, 71891, 81740, 118523, 130906, 143782, 151219, 237046, 261812, 287564, 302438, 327265, 359455, 474092, 592615, 604876, 654530, 718910, 756095, 1185230, 1309060, 1437820, 1512190, 2370460, 3024380, 4385351, 8770702, 17541404, 21926755, 43853510, 87707020]

約数ペア:

[(1, 87707020), (2, 43853510), (4, 21926755), (5, 17541404), (10, 8770702), (20, 4385351), (29, 3024380), (37, 2370460), (58, 1512190), (61, 1437820), (67, 1309060), (74, 1185230), (116, 756095), (122, 718910), (134, 654530), (145, 604876), (148, 592615), (185, 474092), (244, 359455), (268, 327265), (290, 302438), (305, 287564), (335, 261812), (370, 237046), (580, 151219), (610, 143782), (670, 130906), (740, 118523), (1073, 81740), (1220, 71891), (1340, 65453), (1769, 49580), (1943, 45140), (2146, 40870), (2257, 38860), (2479, 35380), (3538, 24790), (3886, 22570), (4087, 21460), (4292, 20435), (4514, 19430), (4958, 17690), (5365, 16348), (7076, 12395), (7772, 11285), (8174, 10730), (8845, 9916), (9028, 9715)]