123451760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21139}}^1$

素因数の和:21225

約数の個数: 40

約数和(自身を含む): 290970960

約数和(自身を除く): 167519200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 21139, 42278, 84556, 105695, 169112, 211390, 338224, 422780, 845560, 1543147, 1691120, 3086294, 6172588, 7715735, 12345176, 15431470, 24690352, 30862940, 61725880, 123451760]

約数ペア:

[(1, 123451760), (2, 61725880), (4, 30862940), (5, 24690352), (8, 15431470), (10, 12345176), (16, 7715735), (20, 6172588), (40, 3086294), (73, 1691120), (80, 1543147), (146, 845560), (292, 422780), (365, 338224), (584, 211390), (730, 169112), (1168, 105695), (1460, 84556), (2920, 42278), (5840, 21139)]