179147920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 120

約数和(自身を含む): 505842624

約数和(自身を除く): 326694704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 1987, 2254, 2576, 3220, 3920, 3974, 4508, 5635, 6440, 7948, 9016, 9935, 11270, 12880, 13909, 15896, 18032, 19870, 22540, 27818, 31792, 39740, 45080, 45701, 55636, 69545, 79480, 90160, 91402, 97363, 111272, 139090, 158960, 182804, 194726, 222544, 228505, 278180, 319907, 365608, 389452, 457010, 486815, 556360, 639814, 731216, 778904, 914020, 973630, 1112720, 1279628, 1557808, 1599535, 1828040, 1947260, 2239349, 2559256, 3199070, 3656080, 3894520, 4478698, 5118512, 6398140, 7789040, 8957396, 11196745, 12796280, 17914792, 22393490, 25592560, 35829584, 44786980, 89573960, 179147920]

約数ペア:

[(1, 179147920), (2, 89573960), (4, 44786980), (5, 35829584), (7, 25592560), (8, 22393490), (10, 17914792), (14, 12796280), (16, 11196745), (20, 8957396), (23, 7789040), (28, 6398140), (35, 5118512), (40, 4478698), (46, 3894520), (49, 3656080), (56, 3199070), (70, 2559256), (80, 2239349), (92, 1947260), (98, 1828040), (112, 1599535), (115, 1557808), (140, 1279628), (161, 1112720), (184, 973630), (196, 914020), (230, 778904), (245, 731216), (280, 639814), (322, 556360), (368, 486815), (392, 457010), (460, 389452), (490, 365608), (560, 319907), (644, 278180), (784, 228505), (805, 222544), (920, 194726), (980, 182804), (1127, 158960), (1288, 139090), (1610, 111272), (1840, 97363), (1960, 91402), (1987, 90160), (2254, 79480), (2576, 69545), (3220, 55636), (3920, 45701), (3974, 45080), (4508, 39740), (5635, 31792), (6440, 27818), (7948, 22540), (9016, 19870), (9935, 18032), (11270, 15896), (12880, 13909)]