810420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 2446080

約数和(自身を除く): 1635660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1039, 2078, 3117, 4156, 5195, 6234, 10390, 12468, 13507, 15585, 20780, 27014, 31170, 40521, 54028, 62340, 67535, 81042, 135070, 162084, 202605, 270140, 405210, 810420]

約数ペア:

[(1, 810420), (2, 405210), (3, 270140), (4, 202605), (5, 162084), (6, 135070), (10, 81042), (12, 67535), (13, 62340), (15, 54028), (20, 40521), (26, 31170), (30, 27014), (39, 20780), (52, 15585), (60, 13507), (65, 12468), (78, 10390), (130, 6234), (156, 5195), (195, 4156), (260, 3117), (390, 2078), (780, 1039)]