78816080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 120

約数和(自身を含む): 222926208

約数和(自身を除く): 144110128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 289, 340, 476, 487, 560, 578, 595, 680, 952, 974, 1156, 1190, 1360, 1445, 1904, 1948, 2023, 2312, 2380, 2435, 2890, 3409, 3896, 4046, 4624, 4760, 4870, 5780, 6818, 7792, 8092, 8279, 9520, 9740, 10115, 11560, 13636, 16184, 16558, 17045, 19480, 20230, 23120, 27272, 32368, 33116, 34090, 38960, 40460, 41395, 54544, 57953, 66232, 68180, 80920, 82790, 115906, 132464, 136360, 140743, 161840, 165580, 231812, 272720, 281486, 289765, 331160, 463624, 562972, 579530, 662320, 703715, 927248, 985201, 1125944, 1159060, 1407430, 1970402, 2251888, 2318120, 2814860, 3940804, 4636240, 4926005, 5629720, 7881608, 9852010, 11259440, 15763216, 19704020, 39408040, 78816080]

約数ペア:

[(1, 78816080), (2, 39408040), (4, 19704020), (5, 15763216), (7, 11259440), (8, 9852010), (10, 7881608), (14, 5629720), (16, 4926005), (17, 4636240), (20, 3940804), (28, 2814860), (34, 2318120), (35, 2251888), (40, 1970402), (56, 1407430), (68, 1159060), (70, 1125944), (80, 985201), (85, 927248), (112, 703715), (119, 662320), (136, 579530), (140, 562972), (170, 463624), (238, 331160), (272, 289765), (280, 281486), (289, 272720), (340, 231812), (476, 165580), (487, 161840), (560, 140743), (578, 136360), (595, 132464), (680, 115906), (952, 82790), (974, 80920), (1156, 68180), (1190, 66232), (1360, 57953), (1445, 54544), (1904, 41395), (1948, 40460), (2023, 38960), (2312, 34090), (2380, 33116), (2435, 32368), (2890, 27272), (3409, 23120), (3896, 20230), (4046, 19480), (4624, 17045), (4760, 16558), (4870, 16184), (5780, 13636), (6818, 11560), (7792, 10115), (8092, 9740), (8279, 9520)]