90709380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6379}}^1$

素因数の和:6473

約数の個数: 72

約数和(自身を含む): 278678400

約数和(自身を除く): 187969020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 6379, 7110, 12758, 14220, 19137, 25516, 31895, 38274, 57411, 63790, 76548, 95685, 114822, 127580, 191370, 229644, 287055, 382740, 503941, 574110, 1007882, 1148220, 1511823, 2015764, 2519705, 3023646, 4535469, 5039410, 6047292, 7559115, 9070938, 10078820, 15118230, 18141876, 22677345, 30236460, 45354690, 90709380]

約数ペア:

[(1, 90709380), (2, 45354690), (3, 30236460), (4, 22677345), (5, 18141876), (6, 15118230), (9, 10078820), (10, 9070938), (12, 7559115), (15, 6047292), (18, 5039410), (20, 4535469), (30, 3023646), (36, 2519705), (45, 2015764), (60, 1511823), (79, 1148220), (90, 1007882), (158, 574110), (180, 503941), (237, 382740), (316, 287055), (395, 229644), (474, 191370), (711, 127580), (790, 114822), (948, 95685), (1185, 76548), (1422, 63790), (1580, 57411), (2370, 38274), (2844, 31895), (3555, 25516), (4740, 19137), (6379, 14220), (7110, 12758)]