257107560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6473}}^1$

素因数の和:6818

約数の個数: 64

約数和(自身を含む): 773772480

約数和(自身を除く): 516664920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4965, 6473, 6620, 7944, 9930, 12946, 13240, 19419, 19860, 25892, 32365, 38838, 39720, 51784, 64730, 77676, 97095, 129460, 155352, 194190, 258920, 388380, 776760, 2142563, 4285126, 6427689, 8570252, 10712815, 12855378, 17140504, 21425630, 25710756, 32138445, 42851260, 51421512, 64276890, 85702520, 128553780, 257107560]

約数ペア:

[(1, 257107560), (2, 128553780), (3, 85702520), (4, 64276890), (5, 51421512), (6, 42851260), (8, 32138445), (10, 25710756), (12, 21425630), (15, 17140504), (20, 12855378), (24, 10712815), (30, 8570252), (40, 6427689), (60, 4285126), (120, 2142563), (331, 776760), (662, 388380), (993, 258920), (1324, 194190), (1655, 155352), (1986, 129460), (2648, 97095), (3310, 77676), (3972, 64730), (4965, 51784), (6473, 39720), (6620, 38838), (7944, 32365), (9930, 25892), (12946, 19860), (13240, 19419)]