320464240

素因数分解:

$2^4\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{3037}}^1$

素因数の和:4369

約数の個数: 40

約数和(自身を含む): 745889760

約数和(自身を除く): 425425520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1319, 2638, 3037, 5276, 6074, 6595, 10552, 12148, 13190, 15185, 21104, 24296, 26380, 30370, 48592, 52760, 60740, 105520, 121480, 242960, 4005803, 8011606, 16023212, 20029015, 32046424, 40058030, 64092848, 80116060, 160232120, 320464240]

約数ペア:

[(1, 320464240), (2, 160232120), (4, 80116060), (5, 64092848), (8, 40058030), (10, 32046424), (16, 20029015), (20, 16023212), (40, 8011606), (80, 4005803), (1319, 242960), (2638, 121480), (3037, 105520), (5276, 60740), (6074, 52760), (6595, 48592), (10552, 30370), (12148, 26380), (13190, 24296), (15185, 21104)]