54199980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4241}}^1$

素因数の和:4327

約数の個数: 72

約数和(自身を含む): 166761504

約数和(自身を除く): 112561524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4241, 4260, 6390, 8482, 12723, 12780, 16964, 21205, 25446, 38169, 42410, 50892, 63615, 76338, 84820, 127230, 152676, 190845, 254460, 301111, 381690, 602222, 763380, 903333, 1204444, 1505555, 1806666, 2709999, 3011110, 3613332, 4516665, 5419998, 6022220, 9033330, 10839996, 13549995, 18066660, 27099990, 54199980]

約数ペア:

[(1, 54199980), (2, 27099990), (3, 18066660), (4, 13549995), (5, 10839996), (6, 9033330), (9, 6022220), (10, 5419998), (12, 4516665), (15, 3613332), (18, 3011110), (20, 2709999), (30, 1806666), (36, 1505555), (45, 1204444), (60, 903333), (71, 763380), (90, 602222), (142, 381690), (180, 301111), (213, 254460), (284, 190845), (355, 152676), (426, 127230), (639, 84820), (710, 76338), (852, 63615), (1065, 50892), (1278, 42410), (1420, 38169), (2130, 25446), (2556, 21205), (3195, 16964), (4241, 12780), (4260, 12723), (6390, 8482)]