154143920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1102

約数の個数: 80

約数和(自身を含む): 411193920

約数和(自身を除く): 257050000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 673, 818, 1346, 1636, 2045, 2692, 2863, 3272, 3365, 4090, 4711, 5384, 5726, 6544, 6730, 8180, 9422, 10768, 11452, 13460, 14315, 16360, 18844, 22904, 23555, 26920, 28630, 32720, 37688, 45808, 47110, 53840, 57260, 75376, 94220, 114520, 188440, 229040, 275257, 376880, 550514, 1101028, 1376285, 1926799, 2202056, 2752570, 3853598, 4404112, 5505140, 7707196, 9633995, 11010280, 15414392, 19267990, 22020560, 30828784, 38535980, 77071960, 154143920]

約数ペア:

[(1, 154143920), (2, 77071960), (4, 38535980), (5, 30828784), (7, 22020560), (8, 19267990), (10, 15414392), (14, 11010280), (16, 9633995), (20, 7707196), (28, 5505140), (35, 4404112), (40, 3853598), (56, 2752570), (70, 2202056), (80, 1926799), (112, 1376285), (140, 1101028), (280, 550514), (409, 376880), (560, 275257), (673, 229040), (818, 188440), (1346, 114520), (1636, 94220), (2045, 75376), (2692, 57260), (2863, 53840), (3272, 47110), (3365, 45808), (4090, 37688), (4711, 32720), (5384, 28630), (5726, 26920), (6544, 23555), (6730, 22904), (8180, 18844), (9422, 16360), (10768, 14315), (11452, 13460)]