64907360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 144

約数和(自身を含む): 189260064

約数和(自身を除く): 124352704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 340, 392, 476, 487, 490, 544, 560, 595, 680, 784, 833, 952, 974, 980, 1120, 1190, 1360, 1568, 1666, 1904, 1948, 1960, 2380, 2435, 2720, 3332, 3409, 3808, 3896, 3920, 4165, 4760, 4870, 6664, 6818, 7792, 7840, 8279, 8330, 9520, 9740, 13328, 13636, 15584, 16558, 16660, 17045, 19040, 19480, 23863, 26656, 27272, 33116, 33320, 34090, 38960, 41395, 47726, 54544, 57953, 66232, 66640, 68180, 77920, 82790, 95452, 109088, 115906, 119315, 132464, 133280, 136360, 165580, 190904, 231812, 238630, 264928, 272720, 289765, 331160, 381808, 405671, 463624, 477260, 545440, 579530, 662320, 763616, 811342, 927248, 954520, 1159060, 1324640, 1622684, 1854496, 1909040, 2028355, 2318120, 3245368, 3818080, 4056710, 4636240, 6490736, 8113420, 9272480, 12981472, 16226840, 32453680, 64907360]

約数ペア:

[(1, 64907360), (2, 32453680), (4, 16226840), (5, 12981472), (7, 9272480), (8, 8113420), (10, 6490736), (14, 4636240), (16, 4056710), (17, 3818080), (20, 3245368), (28, 2318120), (32, 2028355), (34, 1909040), (35, 1854496), (40, 1622684), (49, 1324640), (56, 1159060), (68, 954520), (70, 927248), (80, 811342), (85, 763616), (98, 662320), (112, 579530), (119, 545440), (136, 477260), (140, 463624), (160, 405671), (170, 381808), (196, 331160), (224, 289765), (238, 272720), (245, 264928), (272, 238630), (280, 231812), (340, 190904), (392, 165580), (476, 136360), (487, 133280), (490, 132464), (544, 119315), (560, 115906), (595, 109088), (680, 95452), (784, 82790), (833, 77920), (952, 68180), (974, 66640), (980, 66232), (1120, 57953), (1190, 54544), (1360, 47726), (1568, 41395), (1666, 38960), (1904, 34090), (1948, 33320), (1960, 33116), (2380, 27272), (2435, 26656), (2720, 23863), (3332, 19480), (3409, 19040), (3808, 17045), (3896, 16660), (3920, 16558), (4165, 15584), (4760, 13636), (4870, 13328), (6664, 9740), (6818, 9520), (7792, 8330), (7840, 8279)]