216799920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4241}}^1$

素因数の和:4331

約数の個数: 120

約数和(自身を含む): 738515232

約数和(自身を除く): 521715312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4241, 4260, 5112, 5680, 6390, 8482, 8520, 10224, 12723, 12780, 16964, 17040, 21205, 25446, 25560, 33928, 38169, 42410, 50892, 51120, 63615, 67856, 76338, 84820, 101784, 127230, 152676, 169640, 190845, 203568, 254460, 301111, 305352, 339280, 381690, 508920, 602222, 610704, 763380, 903333, 1017840, 1204444, 1505555, 1526760, 1806666, 2408888, 2709999, 3011110, 3053520, 3613332, 4516665, 4817776, 5419998, 6022220, 7226664, 9033330, 10839996, 12044440, 13549995, 14453328, 18066660, 21679992, 24088880, 27099990, 36133320, 43359984, 54199980, 72266640, 108399960, 216799920]

約数ペア:

[(1, 216799920), (2, 108399960), (3, 72266640), (4, 54199980), (5, 43359984), (6, 36133320), (8, 27099990), (9, 24088880), (10, 21679992), (12, 18066660), (15, 14453328), (16, 13549995), (18, 12044440), (20, 10839996), (24, 9033330), (30, 7226664), (36, 6022220), (40, 5419998), (45, 4817776), (48, 4516665), (60, 3613332), (71, 3053520), (72, 3011110), (80, 2709999), (90, 2408888), (120, 1806666), (142, 1526760), (144, 1505555), (180, 1204444), (213, 1017840), (240, 903333), (284, 763380), (355, 610704), (360, 602222), (426, 508920), (568, 381690), (639, 339280), (710, 305352), (720, 301111), (852, 254460), (1065, 203568), (1136, 190845), (1278, 169640), (1420, 152676), (1704, 127230), (2130, 101784), (2556, 84820), (2840, 76338), (3195, 67856), (3408, 63615), (4241, 51120), (4260, 50892), (5112, 42410), (5680, 38169), (6390, 33928), (8482, 25560), (8520, 25446), (10224, 21205), (12723, 17040), (12780, 16964)]