15879220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 38521728

約数和(自身を除く): 22642508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1123, 1414, 2020, 2246, 2828, 3535, 4492, 5615, 7070, 7861, 11230, 14140, 15722, 22460, 31444, 39305, 78610, 113423, 157220, 226846, 453692, 567115, 793961, 1134230, 1587922, 2268460, 3175844, 3969805, 7939610, 15879220]

約数ペア:

[(1, 15879220), (2, 7939610), (4, 3969805), (5, 3175844), (7, 2268460), (10, 1587922), (14, 1134230), (20, 793961), (28, 567115), (35, 453692), (70, 226846), (101, 157220), (140, 113423), (202, 78610), (404, 39305), (505, 31444), (707, 22460), (1010, 15722), (1123, 14140), (1414, 11230), (2020, 7861), (2246, 7070), (2828, 5615), (3535, 4492)]