71340080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18199}}^1$

素因数の和:18226

約数の個数: 60

約数和(自身を含む): 192956400

約数和(自身を除く): 121616320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18199, 36398, 72796, 90995, 127393, 145592, 181990, 254786, 291184, 363980, 509572, 636965, 727960, 891751, 1019144, 1273930, 1455920, 1783502, 2038288, 2547860, 3567004, 4458755, 5095720, 7134008, 8917510, 10191440, 14268016, 17835020, 35670040, 71340080]

約数ペア:

[(1, 71340080), (2, 35670040), (4, 17835020), (5, 14268016), (7, 10191440), (8, 8917510), (10, 7134008), (14, 5095720), (16, 4458755), (20, 3567004), (28, 2547860), (35, 2038288), (40, 1783502), (49, 1455920), (56, 1273930), (70, 1019144), (80, 891751), (98, 727960), (112, 636965), (140, 509572), (196, 363980), (245, 291184), (280, 254786), (392, 181990), (490, 145592), (560, 127393), (784, 90995), (980, 72796), (1960, 36398), (3920, 18199)]