72574960

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2917}}^1$

素因数の和:3241

約数の個数: 40

約数和(自身を含む): 169337376

約数和(自身を除く): 96762416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 2917, 3110, 4976, 5834, 6220, 11668, 12440, 14585, 23336, 24880, 29170, 46672, 58340, 116680, 233360, 907187, 1814374, 3628748, 4535935, 7257496, 9071870, 14514992, 18143740, 36287480, 72574960]

約数ペア:

[(1, 72574960), (2, 36287480), (4, 18143740), (5, 14514992), (8, 9071870), (10, 7257496), (16, 4535935), (20, 3628748), (40, 1814374), (80, 907187), (311, 233360), (622, 116680), (1244, 58340), (1555, 46672), (2488, 29170), (2917, 24880), (3110, 23336), (4976, 14585), (5834, 12440), (6220, 11668)]