65180080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 174274560

約数和(自身を除く): 109094480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 487, 560, 956, 974, 1195, 1673, 1912, 1948, 2390, 2435, 3346, 3409, 3824, 3896, 4780, 4870, 6692, 6818, 7792, 8365, 9560, 9740, 13384, 13636, 16730, 17045, 19120, 19480, 26768, 27272, 33460, 34090, 38960, 54544, 66920, 68180, 116393, 133840, 136360, 232786, 272720, 465572, 581965, 814751, 931144, 1163930, 1629502, 1862288, 2327860, 3259004, 4073755, 4655720, 6518008, 8147510, 9311440, 13036016, 16295020, 32590040, 65180080]

約数ペア:

[(1, 65180080), (2, 32590040), (4, 16295020), (5, 13036016), (7, 9311440), (8, 8147510), (10, 6518008), (14, 4655720), (16, 4073755), (20, 3259004), (28, 2327860), (35, 1862288), (40, 1629502), (56, 1163930), (70, 931144), (80, 814751), (112, 581965), (140, 465572), (239, 272720), (280, 232786), (478, 136360), (487, 133840), (560, 116393), (956, 68180), (974, 66920), (1195, 54544), (1673, 38960), (1912, 34090), (1948, 33460), (2390, 27272), (2435, 26768), (3346, 19480), (3409, 19120), (3824, 17045), (3896, 16730), (4780, 13636), (4870, 13384), (6692, 9740), (6818, 9560), (7792, 8365)]