29984080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7649}}^1$

素因数の和:7676

約数の個数: 60

約数和(自身を含む): 81105300

約数和(自身を除く): 51121220

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, 7649, 15298, 30596, 38245, 53543, 61192, 76490, 107086, 122384, 152980, 214172, 267715, 305960, 374801, 428344, 535430, 611920, 749602, 856688, 1070860, 1499204, 1874005, 2141720, 2998408, 3748010, 4283440, 5996816, 7496020, 14992040, 29984080]

約数ペア:

[(1, 29984080), (2, 14992040), (4, 7496020), (5, 5996816), (7, 4283440), (8, 3748010), (10, 2998408), (14, 2141720), (16, 1874005), (20, 1499204), (28, 1070860), (35, 856688), (40, 749602), (49, 611920), (56, 535430), (70, 428344), (80, 374801), (98, 305960), (112, 267715), (140, 214172), (196, 152980), (245, 122384), (280, 107086), (392, 76490), (490, 61192), (560, 53543), (784, 38245), (980, 30596), (1960, 15298), (3920, 7649)]