31488720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131203}}^1$

素因数の和:131219

約数の個数: 40

約数和(自身を含む): 97615776

約数和(自身を除く): 66127056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131203, 262406, 393609, 524812, 656015, 787218, 1049624, 1312030, 1574436, 1968045, 2099248, 2624060, 3148872, 3936090, 5248120, 6297744, 7872180, 10496240, 15744360, 31488720]

約数ペア:

[(1, 31488720), (2, 15744360), (3, 10496240), (4, 7872180), (5, 6297744), (6, 5248120), (8, 3936090), (10, 3148872), (12, 2624060), (15, 2099248), (16, 1968045), (20, 1574436), (24, 1312030), (30, 1049624), (40, 787218), (48, 656015), (60, 524812), (80, 393609), (120, 262406), (240, 131203)]