15563080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^2$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 37929780

約数和(自身を除く): 22366700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 865, 1384, 1730, 2249, 3460, 4498, 6920, 8996, 11245, 17992, 22490, 29929, 44980, 59858, 89960, 119716, 149645, 239432, 299290, 389077, 598580, 778154, 1197160, 1556308, 1945385, 3112616, 3890770, 7781540, 15563080]

約数ペア:

[(1, 15563080), (2, 7781540), (4, 3890770), (5, 3112616), (8, 1945385), (10, 1556308), (13, 1197160), (20, 778154), (26, 598580), (40, 389077), (52, 299290), (65, 239432), (104, 149645), (130, 119716), (173, 89960), (260, 59858), (346, 44980), (520, 29929), (692, 22490), (865, 17992), (1384, 11245), (1730, 8996), (2249, 6920), (3460, 4498)]