81551640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679597}}^1$

素因数の和:679611

約数の個数: 32

約数和(自身を含む): 244655280

約数和(自身を除く): 163103640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679597, 1359194, 2038791, 2718388, 3397985, 4077582, 5436776, 6795970, 8155164, 10193955, 13591940, 16310328, 20387910, 27183880, 40775820, 81551640]

約数ペア:

[(1, 81551640), (2, 40775820), (3, 27183880), (4, 20387910), (5, 16310328), (6, 13591940), (8, 10193955), (10, 8155164), (12, 6795970), (15, 5436776), (20, 4077582), (24, 3397985), (30, 2718388), (40, 2038791), (60, 1359194), (120, 679597)]