18398040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1103}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 37243560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1103, 1112, 1390, 1668, 2085, 2206, 2780, 3309, 3336, 4170, 4412, 5515, 5560, 6618, 8340, 8824, 11030, 13236, 16545, 16680, 22060, 26472, 33090, 44120, 66180, 132360, 153317, 306634, 459951, 613268, 766585, 919902, 1226536, 1533170, 1839804, 2299755, 3066340, 3679608, 4599510, 6132680, 9199020, 18398040]

約数ペア:

[(1, 18398040), (2, 9199020), (3, 6132680), (4, 4599510), (5, 3679608), (6, 3066340), (8, 2299755), (10, 1839804), (12, 1533170), (15, 1226536), (20, 919902), (24, 766585), (30, 613268), (40, 459951), (60, 306634), (120, 153317), (139, 132360), (278, 66180), (417, 44120), (556, 33090), (695, 26472), (834, 22060), (1103, 16680), (1112, 16545), (1390, 13236), (1668, 11030), (2085, 8824), (2206, 8340), (2780, 6618), (3309, 5560), (3336, 5515), (4170, 4412)]