256174416

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:1001

約数の個数: 120

約数和(自身を含む): 762476000

約数和(自身を除く): 506301584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 109, 114, 144, 152, 171, 218, 228, 304, 327, 342, 436, 456, 654, 684, 859, 872, 912, 981, 1308, 1368, 1718, 1744, 1962, 2071, 2577, 2616, 2736, 3436, 3924, 4142, 5154, 5232, 6213, 6872, 7731, 7848, 8284, 10308, 12426, 13744, 15462, 15696, 16321, 16568, 18639, 20616, 24852, 30924, 32642, 33136, 37278, 41232, 48963, 49704, 61848, 65284, 74556, 93631, 97926, 99408, 123696, 130568, 146889, 149112, 187262, 195852, 261136, 280893, 293778, 298224, 374524, 391704, 561786, 587556, 749048, 783408, 842679, 1123572, 1175112, 1498096, 1685358, 1778989, 2247144, 2350224, 3370716, 3557978, 4494288, 5336967, 6741432, 7115956, 10673934, 13482864, 14231912, 16010901, 21347868, 28463824, 32021802, 42695736, 64043604, 85391472, 128087208, 256174416]

約数ペア:

[(1, 256174416), (2, 128087208), (3, 85391472), (4, 64043604), (6, 42695736), (8, 32021802), (9, 28463824), (12, 21347868), (16, 16010901), (18, 14231912), (19, 13482864), (24, 10673934), (36, 7115956), (38, 6741432), (48, 5336967), (57, 4494288), (72, 3557978), (76, 3370716), (109, 2350224), (114, 2247144), (144, 1778989), (152, 1685358), (171, 1498096), (218, 1175112), (228, 1123572), (304, 842679), (327, 783408), (342, 749048), (436, 587556), (456, 561786), (654, 391704), (684, 374524), (859, 298224), (872, 293778), (912, 280893), (981, 261136), (1308, 195852), (1368, 187262), (1718, 149112), (1744, 146889), (1962, 130568), (2071, 123696), (2577, 99408), (2616, 97926), (2736, 93631), (3436, 74556), (3924, 65284), (4142, 61848), (5154, 49704), (5232, 48963), (6213, 41232), (6872, 37278), (7731, 33136), (7848, 32642), (8284, 30924), (10308, 24852), (12426, 20616), (13744, 18639), (15462, 16568), (15696, 16321)]