257902020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46219}}^1$

素因数の和:46265

約数の個数: 72

約数和(自身を含む): 807555840

約数和(自身を除く): 549653820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 46219, 92438, 138657, 184876, 231095, 277314, 415971, 462190, 554628, 693285, 831942, 924380, 1386570, 1432789, 1663884, 2079855, 2773140, 2865578, 4159710, 4298367, 5731156, 7163945, 8319420, 8596734, 12895101, 14327890, 17193468, 21491835, 25790202, 28655780, 42983670, 51580404, 64475505, 85967340, 128951010, 257902020]

約数ペア:

[(1, 257902020), (2, 128951010), (3, 85967340), (4, 64475505), (5, 51580404), (6, 42983670), (9, 28655780), (10, 25790202), (12, 21491835), (15, 17193468), (18, 14327890), (20, 12895101), (30, 8596734), (31, 8319420), (36, 7163945), (45, 5731156), (60, 4298367), (62, 4159710), (90, 2865578), (93, 2773140), (124, 2079855), (155, 1663884), (180, 1432789), (186, 1386570), (279, 924380), (310, 831942), (372, 693285), (465, 554628), (558, 462190), (620, 415971), (930, 277314), (1116, 231095), (1395, 184876), (1860, 138657), (2790, 92438), (5580, 46219)]