72652440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86491}}^1$

素因数の和:86512

約数の個数: 64

約数和(自身を含む): 249096960

約数和(自身を除く): 176444520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86491, 172982, 259473, 345964, 432455, 518946, 605437, 691928, 864910, 1037892, 1210874, 1297365, 1729820, 1816311, 2075784, 2421748, 2594730, 3027185, 3459640, 3632622, 4843496, 5189460, 6054370, 7265244, 9081555, 10378920, 12108740, 14530488, 18163110, 24217480, 36326220, 72652440]

約数ペア:

[(1, 72652440), (2, 36326220), (3, 24217480), (4, 18163110), (5, 14530488), (6, 12108740), (7, 10378920), (8, 9081555), (10, 7265244), (12, 6054370), (14, 5189460), (15, 4843496), (20, 3632622), (21, 3459640), (24, 3027185), (28, 2594730), (30, 2421748), (35, 2075784), (40, 1816311), (42, 1729820), (56, 1297365), (60, 1210874), (70, 1037892), (84, 864910), (105, 691928), (120, 605437), (140, 518946), (168, 432455), (210, 345964), (280, 259473), (420, 172982), (840, 86491)]