313405020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17239}}^1$

素因数の和:17355

約数の個数: 72

約数和(自身を含む): 960130080

約数和(自身を除く): 646725060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 17239, 18180, 34478, 51717, 68956, 86195, 103434, 155151, 172390, 206868, 258585, 310302, 344780, 517170, 620604, 775755, 1034340, 1551510, 1741139, 3103020, 3482278, 5223417, 6964556, 8705695, 10446834, 15670251, 17411390, 20893668, 26117085, 31340502, 34822780, 52234170, 62681004, 78351255, 104468340, 156702510, 313405020]

約数ペア:

[(1, 313405020), (2, 156702510), (3, 104468340), (4, 78351255), (5, 62681004), (6, 52234170), (9, 34822780), (10, 31340502), (12, 26117085), (15, 20893668), (18, 17411390), (20, 15670251), (30, 10446834), (36, 8705695), (45, 6964556), (60, 5223417), (90, 3482278), (101, 3103020), (180, 1741139), (202, 1551510), (303, 1034340), (404, 775755), (505, 620604), (606, 517170), (909, 344780), (1010, 310302), (1212, 258585), (1515, 206868), (1818, 172390), (2020, 155151), (3030, 103434), (3636, 86195), (4545, 68956), (6060, 51717), (9090, 34478), (17239, 18180)]