140747940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1567}}^1$

素因数の和:2081

約数の個数: 72

約数和(自身を含む): 428064000

約数和(自身を除く): 287316060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1567, 1996, 2495, 2994, 3134, 4491, 4701, 4990, 5988, 6268, 7485, 7835, 8982, 9402, 9980, 14103, 14970, 15670, 17964, 18804, 22455, 23505, 28206, 29940, 31340, 44910, 47010, 56412, 70515, 89820, 94020, 141030, 282060, 781933, 1563866, 2345799, 3127732, 3909665, 4691598, 7037397, 7819330, 9383196, 11728995, 14074794, 15638660, 23457990, 28149588, 35186985, 46915980, 70373970, 140747940]

約数ペア:

[(1, 140747940), (2, 70373970), (3, 46915980), (4, 35186985), (5, 28149588), (6, 23457990), (9, 15638660), (10, 14074794), (12, 11728995), (15, 9383196), (18, 7819330), (20, 7037397), (30, 4691598), (36, 3909665), (45, 3127732), (60, 2345799), (90, 1563866), (180, 781933), (499, 282060), (998, 141030), (1497, 94020), (1567, 89820), (1996, 70515), (2495, 56412), (2994, 47010), (3134, 44910), (4491, 31340), (4701, 29940), (4990, 28206), (5988, 23505), (6268, 22455), (7485, 18804), (7835, 17964), (8982, 15670), (9402, 14970), (9980, 14103)]