1330591280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{875389}}^1$

素因数の和:875421

約数の個数: 40

約数和(自身を含む): 3256450800

約数和(自身を除く): 1925859520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 875389, 1750778, 3501556, 4376945, 7003112, 8753890, 14006224, 16632391, 17507780, 33264782, 35015560, 66529564, 70031120, 83161955, 133059128, 166323910, 266118256, 332647820, 665295640, 1330591280]

約数ペア:

[(1, 1330591280), (2, 665295640), (4, 332647820), (5, 266118256), (8, 166323910), (10, 133059128), (16, 83161955), (19, 70031120), (20, 66529564), (38, 35015560), (40, 33264782), (76, 17507780), (80, 16632391), (95, 14006224), (152, 8753890), (190, 7003112), (304, 4376945), (380, 3501556), (760, 1750778), (1520, 875389)]