31312020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5167}}^1$

素因数の和:5280

約数の個数: 48

約数和(自身を含む): 88558848

約数和(自身を除く): 57246828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 5167, 6060, 10334, 15501, 20668, 25835, 31002, 51670, 62004, 77505, 103340, 155010, 310020, 521867, 1043734, 1565601, 2087468, 2609335, 3131202, 5218670, 6262404, 7828005, 10437340, 15656010, 31312020]

約数ペア:

[(1, 31312020), (2, 15656010), (3, 10437340), (4, 7828005), (5, 6262404), (6, 5218670), (10, 3131202), (12, 2609335), (15, 2087468), (20, 1565601), (30, 1043734), (60, 521867), (101, 310020), (202, 155010), (303, 103340), (404, 77505), (505, 62004), (606, 51670), (1010, 31002), (1212, 25835), (1515, 20668), (2020, 15501), (3030, 10334), (5167, 6060)]