172795240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 403499520

約数和(自身を除く): 230704280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 421, 620, 662, 842, 1240, 1324, 1655, 1684, 2105, 2648, 3310, 3368, 4210, 6620, 8420, 10261, 13051, 13240, 16840, 20522, 26102, 41044, 51305, 52204, 65255, 82088, 102610, 104408, 130510, 139351, 205220, 261020, 278702, 410440, 522040, 557404, 696755, 1114808, 1393510, 2787020, 4319881, 5574040, 8639762, 17279524, 21599405, 34559048, 43198810, 86397620, 172795240]

約数ペア:

[(1, 172795240), (2, 86397620), (4, 43198810), (5, 34559048), (8, 21599405), (10, 17279524), (20, 8639762), (31, 5574040), (40, 4319881), (62, 2787020), (124, 1393510), (155, 1114808), (248, 696755), (310, 557404), (331, 522040), (421, 410440), (620, 278702), (662, 261020), (842, 205220), (1240, 139351), (1324, 130510), (1655, 104408), (1684, 102610), (2105, 82088), (2648, 65255), (3310, 52204), (3368, 51305), (4210, 41044), (6620, 26102), (8420, 20522), (10261, 16840), (13051, 13240)]