388614840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12601}}^1$

素因数の和:12872

約数の個数: 64

約数和(自身を含む): 1170473760

約数和(自身を除く): 781858920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 7710, 10280, 12601, 15420, 25202, 30840, 37803, 50404, 63005, 75606, 100808, 126010, 151212, 189015, 252020, 302424, 378030, 504040, 756060, 1512120, 3238457, 6476914, 9715371, 12953828, 16192285, 19430742, 25907656, 32384570, 38861484, 48576855, 64769140, 77722968, 97153710, 129538280, 194307420, 388614840]

約数ペア:

[(1, 388614840), (2, 194307420), (3, 129538280), (4, 97153710), (5, 77722968), (6, 64769140), (8, 48576855), (10, 38861484), (12, 32384570), (15, 25907656), (20, 19430742), (24, 16192285), (30, 12953828), (40, 9715371), (60, 6476914), (120, 3238457), (257, 1512120), (514, 756060), (771, 504040), (1028, 378030), (1285, 302424), (1542, 252020), (2056, 189015), (2570, 151212), (3084, 126010), (3855, 100808), (5140, 75606), (6168, 63005), (7710, 50404), (10280, 37803), (12601, 30840), (15420, 25202)]