77987220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16453}}^1$

素因数の和:16544

約数の個数: 48

約数和(自身を含む): 221141760

約数和(自身を除く): 143154540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 16453, 32906, 49359, 65812, 82265, 98718, 164530, 197436, 246795, 329060, 493590, 987180, 1299787, 2599574, 3899361, 5199148, 6498935, 7798722, 12997870, 15597444, 19496805, 25995740, 38993610, 77987220]

約数ペア:

[(1, 77987220), (2, 38993610), (3, 25995740), (4, 19496805), (5, 15597444), (6, 12997870), (10, 7798722), (12, 6498935), (15, 5199148), (20, 3899361), (30, 2599574), (60, 1299787), (79, 987180), (158, 493590), (237, 329060), (316, 246795), (395, 197436), (474, 164530), (790, 98718), (948, 82265), (1185, 65812), (1580, 49359), (2370, 32906), (4740, 16453)]