155689840

素因数分解:

$2^4\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1489}}^1$

素因数の和:2809

約数の個数: 40

約数和(自身を含む): 362499120

約数和(自身を除く): 206809280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1307, 1489, 2614, 2978, 5228, 5956, 6535, 7445, 10456, 11912, 13070, 14890, 20912, 23824, 26140, 29780, 52280, 59560, 104560, 119120, 1946123, 3892246, 7784492, 9730615, 15568984, 19461230, 31137968, 38922460, 77844920, 155689840]

約数ペア:

[(1, 155689840), (2, 77844920), (4, 38922460), (5, 31137968), (8, 19461230), (10, 15568984), (16, 9730615), (20, 7784492), (40, 3892246), (80, 1946123), (1307, 119120), (1489, 104560), (2614, 59560), (2978, 52280), (5228, 29780), (5956, 26140), (6535, 23824), (7445, 20912), (10456, 14890), (11912, 13070)]