15903420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20389}}^1$

素因数の和:20414

約数の個数: 48

約数和(自身を含む): 47957280

約数和(自身を除く): 32053860

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, 20389, 40778, 61167, 81556, 101945, 122334, 203890, 244668, 265057, 305835, 407780, 530114, 611670, 795171, 1060228, 1223340, 1325285, 1590342, 2650570, 3180684, 3975855, 5301140, 7951710, 15903420]

約数ペア:

[(1, 15903420), (2, 7951710), (3, 5301140), (4, 3975855), (5, 3180684), (6, 2650570), (10, 1590342), (12, 1325285), (13, 1223340), (15, 1060228), (20, 795171), (26, 611670), (30, 530114), (39, 407780), (52, 305835), (60, 265057), (65, 244668), (78, 203890), (130, 122334), (156, 101945), (195, 81556), (260, 61167), (390, 40778), (780, 20389)]