312025120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 825297984

約数和(自身を除く): 513272864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 121, 142, 160, 176, 220, 227, 242, 284, 352, 355, 440, 454, 484, 568, 605, 710, 781, 880, 908, 968, 1135, 1136, 1210, 1420, 1562, 1760, 1816, 1936, 2270, 2272, 2420, 2497, 2840, 3124, 3632, 3872, 3905, 4540, 4840, 4994, 5680, 6248, 7264, 7810, 8591, 9080, 9680, 9988, 11360, 12485, 12496, 15620, 16117, 17182, 18160, 19360, 19976, 24970, 24992, 27467, 31240, 32234, 34364, 36320, 39952, 42955, 49940, 54934, 62480, 64468, 68728, 79904, 80585, 85910, 99880, 109868, 124960, 128936, 137335, 137456, 161170, 171820, 177287, 199760, 219736, 257872, 274670, 274912, 322340, 343640, 354574, 399520, 439472, 515744, 549340, 644680, 687280, 709148, 878944, 886435, 1098680, 1289360, 1374560, 1418296, 1772870, 1950157, 2197360, 2578720, 2836592, 3545740, 3900314, 4394720, 5673184, 7091480, 7800628, 9750785, 14182960, 15601256, 19501570, 28365920, 31202512, 39003140, 62405024, 78006280, 156012560, 312025120]

約数ペア:

[(1, 312025120), (2, 156012560), (4, 78006280), (5, 62405024), (8, 39003140), (10, 31202512), (11, 28365920), (16, 19501570), (20, 15601256), (22, 14182960), (32, 9750785), (40, 7800628), (44, 7091480), (55, 5673184), (71, 4394720), (80, 3900314), (88, 3545740), (110, 2836592), (121, 2578720), (142, 2197360), (160, 1950157), (176, 1772870), (220, 1418296), (227, 1374560), (242, 1289360), (284, 1098680), (352, 886435), (355, 878944), (440, 709148), (454, 687280), (484, 644680), (568, 549340), (605, 515744), (710, 439472), (781, 399520), (880, 354574), (908, 343640), (968, 322340), (1135, 274912), (1136, 274670), (1210, 257872), (1420, 219736), (1562, 199760), (1760, 177287), (1816, 171820), (1936, 161170), (2270, 137456), (2272, 137335), (2420, 128936), (2497, 124960), (2840, 109868), (3124, 99880), (3632, 85910), (3872, 80585), (3905, 79904), (4540, 68728), (4840, 64468), (4994, 62480), (5680, 54934), (6248, 49940), (7264, 42955), (7810, 39952), (8591, 36320), (9080, 34364), (9680, 32234), (9988, 31240), (11360, 27467), (12485, 24992), (12496, 24970), (15620, 19976), (16117, 19360), (17182, 18160)]