168664720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{863}}^1$

素因数の和:1232

約数の個数: 80

約数和(自身を含む): 449971200

約数和(自身を除く): 281306480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 560, 698, 863, 1396, 1726, 1745, 2443, 2792, 3452, 3490, 4315, 4886, 5584, 6041, 6904, 6980, 8630, 9772, 12082, 12215, 13808, 13960, 17260, 19544, 24164, 24430, 27920, 30205, 34520, 39088, 48328, 48860, 60410, 69040, 96656, 97720, 120820, 195440, 241640, 301187, 483280, 602374, 1204748, 1505935, 2108309, 2409496, 3011870, 4216618, 4818992, 6023740, 8433236, 10541545, 12047480, 16866472, 21083090, 24094960, 33732944, 42166180, 84332360, 168664720]

約数ペア:

[(1, 168664720), (2, 84332360), (4, 42166180), (5, 33732944), (7, 24094960), (8, 21083090), (10, 16866472), (14, 12047480), (16, 10541545), (20, 8433236), (28, 6023740), (35, 4818992), (40, 4216618), (56, 3011870), (70, 2409496), (80, 2108309), (112, 1505935), (140, 1204748), (280, 602374), (349, 483280), (560, 301187), (698, 241640), (863, 195440), (1396, 120820), (1726, 97720), (1745, 96656), (2443, 69040), (2792, 60410), (3452, 48860), (3490, 48328), (4315, 39088), (4886, 34520), (5584, 30205), (6041, 27920), (6904, 24430), (6980, 24164), (8630, 19544), (9772, 17260), (12082, 13960), (12215, 13808)]