123045880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{42139}}^1$

素因数の和:42223

約数の個数: 32

約数和(自身を含む): 280652400

約数和(自身を除く): 157606520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 42139, 84278, 168556, 210695, 337112, 421390, 842780, 1685560, 3076147, 6152294, 12304588, 15380735, 24609176, 30761470, 61522940, 123045880]

約数ペア:

[(1, 123045880), (2, 61522940), (4, 30761470), (5, 24609176), (8, 15380735), (10, 12304588), (20, 6152294), (40, 3076147), (73, 1685560), (146, 842780), (292, 421390), (365, 337112), (584, 210695), (730, 168556), (1460, 84278), (2920, 42139)]