12540240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17417}}^1$

素因数の和:17436

約数の個数: 60

約数和(自身を含む): 42116724

約数和(自身を除く): 29576484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 17417, 34834, 52251, 69668, 87085, 104502, 139336, 156753, 174170, 209004, 261255, 278672, 313506, 348340, 418008, 522510, 627012, 696680, 783765, 836016, 1045020, 1254024, 1393360, 1567530, 2090040, 2508048, 3135060, 4180080, 6270120, 12540240]

約数ペア:

[(1, 12540240), (2, 6270120), (3, 4180080), (4, 3135060), (5, 2508048), (6, 2090040), (8, 1567530), (9, 1393360), (10, 1254024), (12, 1045020), (15, 836016), (16, 783765), (18, 696680), (20, 627012), (24, 522510), (30, 418008), (36, 348340), (40, 313506), (45, 278672), (48, 261255), (60, 209004), (72, 174170), (80, 156753), (90, 139336), (120, 104502), (144, 87085), (180, 69668), (240, 52251), (360, 34834), (720, 17417)]