165745120

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2663}}^1$

素因数の和:3067

約数の個数: 48

約数和(自身を含む): 392726880

約数和(自身を除く): 226981760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 2663, 3112, 3890, 5326, 6224, 7780, 10652, 12448, 13315, 15560, 21304, 26630, 31120, 42608, 53260, 62240, 85216, 106520, 213040, 426080, 1035907, 2071814, 4143628, 5179535, 8287256, 10359070, 16574512, 20718140, 33149024, 41436280, 82872560, 165745120]

約数ペア:

[(1, 165745120), (2, 82872560), (4, 41436280), (5, 33149024), (8, 20718140), (10, 16574512), (16, 10359070), (20, 8287256), (32, 5179535), (40, 4143628), (80, 2071814), (160, 1035907), (389, 426080), (778, 213040), (1556, 106520), (1945, 85216), (2663, 62240), (3112, 53260), (3890, 42608), (5326, 31120), (6224, 26630), (7780, 21304), (10652, 15560), (12448, 13315)]