28383420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36389}}^1$

素因数の和:36414

約数の個数: 48

約数和(自身を含む): 85589280

約数和(自身を除く): 57205860

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, 36389, 72778, 109167, 145556, 181945, 218334, 363890, 436668, 473057, 545835, 727780, 946114, 1091670, 1419171, 1892228, 2183340, 2365285, 2838342, 4730570, 5676684, 7095855, 9461140, 14191710, 28383420]

約数ペア:

[(1, 28383420), (2, 14191710), (3, 9461140), (4, 7095855), (5, 5676684), (6, 4730570), (10, 2838342), (12, 2365285), (13, 2183340), (15, 1892228), (20, 1419171), (26, 1091670), (30, 946114), (39, 727780), (52, 545835), (60, 473057), (65, 436668), (78, 363890), (130, 218334), (156, 181945), (195, 145556), (260, 109167), (390, 72778), (780, 36389)]