25870140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1539

約数の個数: 72

約数和(自身を含む): 79305408

約数和(自身を除く): 53435268

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, 1423, 1515, 1818, 2020, 2846, 3030, 3636, 4269, 4545, 5692, 6060, 7115, 8538, 9090, 12807, 14230, 17076, 18180, 21345, 25614, 28460, 42690, 51228, 64035, 85380, 128070, 143723, 256140, 287446, 431169, 574892, 718615, 862338, 1293507, 1437230, 1724676, 2155845, 2587014, 2874460, 4311690, 5174028, 6467535, 8623380, 12935070, 25870140]

約数ペア:

[(1, 25870140), (2, 12935070), (3, 8623380), (4, 6467535), (5, 5174028), (6, 4311690), (9, 2874460), (10, 2587014), (12, 2155845), (15, 1724676), (18, 1437230), (20, 1293507), (30, 862338), (36, 718615), (45, 574892), (60, 431169), (90, 287446), (101, 256140), (180, 143723), (202, 128070), (303, 85380), (404, 64035), (505, 51228), (606, 42690), (909, 28460), (1010, 25614), (1212, 21345), (1423, 18180), (1515, 17076), (1818, 14230), (2020, 12807), (2846, 9090), (3030, 8538), (3636, 7115), (4269, 6060), (4545, 5692)]