1520762980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{168599}}^1$

素因数の和:168660

約数の個数: 48

約数和(自身を含む): 3568924800

約数和(自身を除く): 2048161820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 168599, 337198, 674396, 842995, 1685990, 1854589, 3371980, 3709178, 6912559, 7418356, 9272945, 13825118, 18545890, 27650236, 34562795, 37091780, 69125590, 76038149, 138251180, 152076298, 304152596, 380190745, 760381490, 1520762980]

約数ペア:

[(1, 1520762980), (2, 760381490), (4, 380190745), (5, 304152596), (10, 152076298), (11, 138251180), (20, 76038149), (22, 69125590), (41, 37091780), (44, 34562795), (55, 27650236), (82, 18545890), (110, 13825118), (164, 9272945), (205, 7418356), (220, 6912559), (410, 3709178), (451, 3371980), (820, 1854589), (902, 1685990), (1804, 842995), (2255, 674396), (4510, 337198), (9020, 168599)]