166151920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{541}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 423410400

約数和(自身を除く): 257258480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 349, 440, 541, 698, 880, 1082, 1396, 1745, 2164, 2705, 2792, 3490, 3839, 4328, 5410, 5584, 5951, 6980, 7678, 8656, 10820, 11902, 13960, 15356, 19195, 21640, 23804, 27920, 29755, 30712, 38390, 43280, 47608, 59510, 61424, 76780, 95216, 119020, 153560, 188809, 238040, 307120, 377618, 476080, 755236, 944045, 1510472, 1888090, 2076899, 3020944, 3776180, 4153798, 7552360, 8307596, 10384495, 15104720, 16615192, 20768990, 33230384, 41537980, 83075960, 166151920]

約数ペア:

[(1, 166151920), (2, 83075960), (4, 41537980), (5, 33230384), (8, 20768990), (10, 16615192), (11, 15104720), (16, 10384495), (20, 8307596), (22, 7552360), (40, 4153798), (44, 3776180), (55, 3020944), (80, 2076899), (88, 1888090), (110, 1510472), (176, 944045), (220, 755236), (349, 476080), (440, 377618), (541, 307120), (698, 238040), (880, 188809), (1082, 153560), (1396, 119020), (1745, 95216), (2164, 76780), (2705, 61424), (2792, 59510), (3490, 47608), (3839, 43280), (4328, 38390), (5410, 30712), (5584, 29755), (5951, 27920), (6980, 23804), (7678, 21640), (8656, 19195), (10820, 15356), (11902, 13960)]