1005420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 3034080

約数和(自身を除く): 2028660

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, 1289, 2578, 3867, 5156, 6445, 7734, 12890, 15468, 16757, 19335, 25780, 33514, 38670, 50271, 67028, 77340, 83785, 100542, 167570, 201084, 251355, 335140, 502710, 1005420]

約数ペア:

[(1, 1005420), (2, 502710), (3, 335140), (4, 251355), (5, 201084), (6, 167570), (10, 100542), (12, 83785), (13, 77340), (15, 67028), (20, 50271), (26, 38670), (30, 33514), (39, 25780), (52, 19335), (60, 16757), (65, 15468), (78, 12890), (130, 7734), (156, 6445), (195, 5156), (260, 3867), (390, 2578), (780, 1289)]