83005720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{569}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 214228800

約数和(自身を除く): 131223080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 569, 1042, 1138, 2084, 2276, 2605, 2845, 3647, 3983, 4168, 4552, 5210, 5690, 7294, 7966, 10420, 11380, 14588, 15932, 18235, 19915, 20840, 22760, 29176, 31864, 36470, 39830, 72940, 79660, 145880, 159320, 296449, 592898, 1185796, 1482245, 2075143, 2371592, 2964490, 4150286, 5928980, 8300572, 10375715, 11857960, 16601144, 20751430, 41502860, 83005720]

約数ペア:

[(1, 83005720), (2, 41502860), (4, 20751430), (5, 16601144), (7, 11857960), (8, 10375715), (10, 8300572), (14, 5928980), (20, 4150286), (28, 2964490), (35, 2371592), (40, 2075143), (56, 1482245), (70, 1185796), (140, 592898), (280, 296449), (521, 159320), (569, 145880), (1042, 79660), (1138, 72940), (2084, 39830), (2276, 36470), (2605, 31864), (2845, 29176), (3647, 22760), (3983, 20840), (4168, 19915), (4552, 18235), (5210, 15932), (5690, 14588), (7294, 11380), (7966, 10420)]