1395420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 4210080

約数和(自身を除く): 2814660

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, 1789, 3578, 5367, 7156, 8945, 10734, 17890, 21468, 23257, 26835, 35780, 46514, 53670, 69771, 93028, 107340, 116285, 139542, 232570, 279084, 348855, 465140, 697710, 1395420]

約数ペア:

[(1, 1395420), (2, 697710), (3, 465140), (4, 348855), (5, 279084), (6, 232570), (10, 139542), (12, 116285), (13, 107340), (15, 93028), (20, 69771), (26, 53670), (30, 46514), (39, 35780), (52, 26835), (60, 23257), (65, 21468), (78, 17890), (130, 10734), (156, 8945), (195, 7156), (260, 5367), (390, 3578), (780, 1789)]