61449640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{219463}}^1$

素因数の和:219481

約数の個数: 32

約数和(自身を含む): 158014080

約数和(自身を除く): 96564440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 219463, 438926, 877852, 1097315, 1536241, 1755704, 2194630, 3072482, 4389260, 6144964, 7681205, 8778520, 12289928, 15362410, 30724820, 61449640]

約数ペア:

[(1, 61449640), (2, 30724820), (4, 15362410), (5, 12289928), (7, 8778520), (8, 7681205), (10, 6144964), (14, 4389260), (20, 3072482), (28, 2194630), (35, 1755704), (40, 1536241), (56, 1097315), (70, 877852), (140, 438926), (280, 219463)]