12917940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30757}}^1$

素因数の和:30776

約数の個数: 48

約数和(自身を含む): 41338752

約数和(自身を除く): 28420812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30757, 61514, 92271, 123028, 153785, 184542, 215299, 307570, 369084, 430598, 461355, 615140, 645897, 861196, 922710, 1076495, 1291794, 1845420, 2152990, 2583588, 3229485, 4305980, 6458970, 12917940]

約数ペア:

[(1, 12917940), (2, 6458970), (3, 4305980), (4, 3229485), (5, 2583588), (6, 2152990), (7, 1845420), (10, 1291794), (12, 1076495), (14, 922710), (15, 861196), (20, 645897), (21, 615140), (28, 461355), (30, 430598), (35, 369084), (42, 307570), (60, 215299), (70, 184542), (84, 153785), (105, 123028), (140, 92271), (210, 61514), (420, 30757)]