61509740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 137912544

約数和(自身を除く): 76402804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 1381, 2227, 2620, 2762, 4454, 5524, 6905, 8908, 11135, 13810, 22270, 23477, 27620, 44540, 46954, 93908, 117385, 180911, 234770, 361822, 469540, 723644, 904555, 1809110, 3075487, 3618220, 6150974, 12301948, 15377435, 30754870, 61509740]

約数ペア:

[(1, 61509740), (2, 30754870), (4, 15377435), (5, 12301948), (10, 6150974), (17, 3618220), (20, 3075487), (34, 1809110), (68, 904555), (85, 723644), (131, 469540), (170, 361822), (262, 234770), (340, 180911), (524, 117385), (655, 93908), (1310, 46954), (1381, 44540), (2227, 27620), (2620, 23477), (2762, 22270), (4454, 13810), (5524, 11135), (6905, 8908)]