1256415420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1610789}}^1$

素因数の和:1610814

約数の個数: 48

約数和(自身を含む): 3788578080

約数和(自身を除く): 2532162660

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, 1610789, 3221578, 4832367, 6443156, 8053945, 9664734, 16107890, 19329468, 20940257, 24161835, 32215780, 41880514, 48323670, 62820771, 83761028, 96647340, 104701285, 125641542, 209402570, 251283084, 314103855, 418805140, 628207710, 1256415420]

約数ペア:

[(1, 1256415420), (2, 628207710), (3, 418805140), (4, 314103855), (5, 251283084), (6, 209402570), (10, 125641542), (12, 104701285), (13, 96647340), (15, 83761028), (20, 62820771), (26, 48323670), (30, 41880514), (39, 32215780), (52, 24161835), (60, 20940257), (65, 19329468), (78, 16107890), (130, 9664734), (156, 8053945), (195, 6443156), (260, 4832367), (390, 3221578), (780, 1610789)]