256072960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1444

約数の個数: 144

約数和(自身を含む): 721123200

約数和(自身を除く): 465050240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 256, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1280, 1399, 1408, 1430, 1664, 1760, 2080, 2288, 2798, 2816, 2860, 3328, 3520, 4160, 4576, 5596, 5720, 6995, 7040, 8320, 9152, 11192, 11440, 13990, 14080, 15389, 16640, 18187, 18304, 22384, 22880, 27980, 30778, 36374, 36608, 44768, 45760, 55960, 61556, 72748, 76945, 89536, 90935, 91520, 111920, 123112, 145496, 153890, 179072, 181870, 183040, 200057, 223840, 246224, 290992, 307780, 358144, 363740, 400114, 447680, 492448, 581984, 615560, 727480, 800228, 895360, 984896, 1000285, 1163968, 1231120, 1454960, 1600456, 1790720, 1969792, 2000570, 2327936, 2462240, 2909920, 3200912, 3939584, 4001140, 4655872, 4924480, 5819840, 6401824, 8002280, 9848960, 11639680, 12803648, 16004560, 19697920, 23279360, 25607296, 32009120, 51214592, 64018240, 128036480, 256072960]

約数ペア:

[(1, 256072960), (2, 128036480), (4, 64018240), (5, 51214592), (8, 32009120), (10, 25607296), (11, 23279360), (13, 19697920), (16, 16004560), (20, 12803648), (22, 11639680), (26, 9848960), (32, 8002280), (40, 6401824), (44, 5819840), (52, 4924480), (55, 4655872), (64, 4001140), (65, 3939584), (80, 3200912), (88, 2909920), (104, 2462240), (110, 2327936), (128, 2000570), (130, 1969792), (143, 1790720), (160, 1600456), (176, 1454960), (208, 1231120), (220, 1163968), (256, 1000285), (260, 984896), (286, 895360), (320, 800228), (352, 727480), (416, 615560), (440, 581984), (520, 492448), (572, 447680), (640, 400114), (704, 363740), (715, 358144), (832, 307780), (880, 290992), (1040, 246224), (1144, 223840), (1280, 200057), (1399, 183040), (1408, 181870), (1430, 179072), (1664, 153890), (1760, 145496), (2080, 123112), (2288, 111920), (2798, 91520), (2816, 90935), (2860, 89536), (3328, 76945), (3520, 72748), (4160, 61556), (4576, 55960), (5596, 45760), (5720, 44768), (6995, 36608), (7040, 36374), (8320, 30778), (9152, 27980), (11192, 22880), (11440, 22384), (13990, 18304), (14080, 18187), (15389, 16640)]