90804060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{787}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 276219216

約数和(自身を除く): 185415156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 641, 787, 1282, 1574, 1923, 2361, 2564, 3148, 3205, 3846, 3935, 4722, 5769, 6410, 7083, 7692, 7870, 9444, 9615, 11538, 11805, 12820, 14166, 15740, 19230, 23076, 23610, 28332, 28845, 35415, 38460, 47220, 57690, 70830, 115380, 141660, 504467, 1008934, 1513401, 2017868, 2522335, 3026802, 4540203, 5044670, 6053604, 7567005, 9080406, 10089340, 15134010, 18160812, 22701015, 30268020, 45402030, 90804060]

約数ペア:

[(1, 90804060), (2, 45402030), (3, 30268020), (4, 22701015), (5, 18160812), (6, 15134010), (9, 10089340), (10, 9080406), (12, 7567005), (15, 6053604), (18, 5044670), (20, 4540203), (30, 3026802), (36, 2522335), (45, 2017868), (60, 1513401), (90, 1008934), (180, 504467), (641, 141660), (787, 115380), (1282, 70830), (1574, 57690), (1923, 47220), (2361, 38460), (2564, 35415), (3148, 28845), (3205, 28332), (3846, 23610), (3935, 23076), (4722, 19230), (5769, 15740), (6410, 14166), (7083, 12820), (7692, 11805), (7870, 11538), (9444, 9615)]