257883360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 384

約数和(自身を含む): 1003290624

約数和(自身を除く): 745407264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 47, 48, 56, 60, 69, 70, 71, 80, 84, 92, 94, 96, 105, 112, 115, 120, 138, 140, 141, 142, 160, 161, 168, 184, 188, 210, 213, 224, 230, 235, 240, 276, 280, 282, 284, 322, 329, 336, 345, 355, 368, 376, 420, 426, 460, 470, 480, 483, 497, 552, 560, 564, 568, 644, 658, 672, 690, 705, 710, 736, 752, 805, 840, 852, 920, 940, 966, 987, 994, 1065, 1081, 1104, 1120, 1128, 1136, 1288, 1316, 1380, 1410, 1420, 1491, 1504, 1610, 1633, 1645, 1680, 1704, 1840, 1880, 1932, 1974, 1988, 2130, 2162, 2208, 2256, 2272, 2415, 2485, 2576, 2632, 2760, 2820, 2840, 2982, 3220, 3243, 3266, 3290, 3337, 3360, 3408, 3680, 3760, 3864, 3948, 3976, 4260, 4324, 4512, 4830, 4899, 4935, 4970, 5152, 5264, 5405, 5520, 5640, 5680, 5964, 6440, 6486, 6532, 6580, 6674, 6816, 7455, 7520, 7567, 7728, 7896, 7952, 8165, 8520, 8648, 9660, 9798, 9870, 9940, 10011, 10528, 10810, 11040, 11280, 11360, 11431, 11928, 12880, 12972, 13064, 13160, 13348, 14910, 15134, 15456, 15792, 15904, 16215, 16330, 16685, 17040, 17296, 19320, 19596, 19740, 19880, 20022, 21620, 22560, 22701, 22862, 23359, 23856, 24495, 25760, 25944, 26128, 26320, 26696, 29820, 30268, 31584, 32430, 32660, 33370, 34080, 34293, 34592, 37835, 38640, 39192, 39480, 39760, 40044, 43240, 45402, 45724, 46718, 47712, 48990, 50055, 51888, 52256, 52640, 53392, 57155, 59640, 60536, 64860, 65320, 66740, 68586, 70077, 75670, 76751, 77280, 78384, 78960, 79520, 80088, 86480, 90804, 91448, 93436, 97980, 100110, 103776, 106784, 113505, 114310, 116795, 119280, 121072, 129720, 130640, 133480, 137172, 140154, 151340, 153502, 156768, 157920, 160176, 171465, 172960, 181608, 182896, 186872, 195960, 200220, 227010, 228620, 230253, 233590, 238560, 242144, 259440, 261280, 266960, 274344, 280308, 302680, 307004, 320352, 342930, 350385, 363216, 365792, 373744, 383755, 391920, 400440, 454020, 457240, 460506, 467180, 518880, 533920, 537257, 548688, 560616, 605360, 614008, 685860, 700770, 726432, 747488, 767510, 783840, 800880, 908040, 914480, 921012, 934360, 1074514, 1097376, 1121232, 1151265, 1210720, 1228016, 1371720, 1401540, 1535020, 1601760, 1611771, 1816080, 1828960, 1842024, 1868720, 2149028, 2242464, 2302530, 2456032, 2686285, 2743440, 2803080, 3070040, 3223542, 3632160, 3684048, 3737440, 4298056, 4605060, 5372570, 5486880, 5606160, 6140080, 6447084, 7368096, 8058855, 8596112, 9210120, 10745140, 11212320, 12280160, 12894168, 16117710, 17192224, 18420240, 21490280, 25788336, 32235420, 36840480, 42980560, 51576672, 64470840, 85961120, 128941680, 257883360]

約数ペア:

[(1, 257883360), (2, 128941680), (3, 85961120), (4, 64470840), (5, 51576672), (6, 42980560), (7, 36840480), (8, 32235420), (10, 25788336), (12, 21490280), (14, 18420240), (15, 17192224), (16, 16117710), (20, 12894168), (21, 12280160), (23, 11212320), (24, 10745140), (28, 9210120), (30, 8596112), (32, 8058855), (35, 7368096), (40, 6447084), (42, 6140080), (46, 5606160), (47, 5486880), (48, 5372570), (56, 4605060), (60, 4298056), (69, 3737440), (70, 3684048), (71, 3632160), (80, 3223542), (84, 3070040), (92, 2803080), (94, 2743440), (96, 2686285), (105, 2456032), (112, 2302530), (115, 2242464), (120, 2149028), (138, 1868720), (140, 1842024), (141, 1828960), (142, 1816080), (160, 1611771), (161, 1601760), (168, 1535020), (184, 1401540), (188, 1371720), (210, 1228016), (213, 1210720), (224, 1151265), (230, 1121232), (235, 1097376), (240, 1074514), (276, 934360), (280, 921012), (282, 914480), (284, 908040), (322, 800880), (329, 783840), (336, 767510), (345, 747488), (355, 726432), (368, 700770), (376, 685860), (420, 614008), (426, 605360), (460, 560616), (470, 548688), (480, 537257), (483, 533920), (497, 518880), (552, 467180), (560, 460506), (564, 457240), (568, 454020), (644, 400440), (658, 391920), (672, 383755), (690, 373744), (705, 365792), (710, 363216), (736, 350385), (752, 342930), (805, 320352), (840, 307004), (852, 302680), (920, 280308), (940, 274344), (966, 266960), (987, 261280), (994, 259440), (1065, 242144), (1081, 238560), (1104, 233590), (1120, 230253), (1128, 228620), (1136, 227010), (1288, 200220), (1316, 195960), (1380, 186872), (1410, 182896), (1420, 181608), (1491, 172960), (1504, 171465), (1610, 160176), (1633, 157920), (1645, 156768), (1680, 153502), (1704, 151340), (1840, 140154), (1880, 137172), (1932, 133480), (1974, 130640), (1988, 129720), (2130, 121072), (2162, 119280), (2208, 116795), (2256, 114310), (2272, 113505), (2415, 106784), (2485, 103776), (2576, 100110), (2632, 97980), (2760, 93436), (2820, 91448), (2840, 90804), (2982, 86480), (3220, 80088), (3243, 79520), (3266, 78960), (3290, 78384), (3337, 77280), (3360, 76751), (3408, 75670), (3680, 70077), (3760, 68586), (3864, 66740), (3948, 65320), (3976, 64860), (4260, 60536), (4324, 59640), (4512, 57155), (4830, 53392), (4899, 52640), (4935, 52256), (4970, 51888), (5152, 50055), (5264, 48990), (5405, 47712), (5520, 46718), (5640, 45724), (5680, 45402), (5964, 43240), (6440, 40044), (6486, 39760), (6532, 39480), (6580, 39192), (6674, 38640), (6816, 37835), (7455, 34592), (7520, 34293), (7567, 34080), (7728, 33370), (7896, 32660), (7952, 32430), (8165, 31584), (8520, 30268), (8648, 29820), (9660, 26696), (9798, 26320), (9870, 26128), (9940, 25944), (10011, 25760), (10528, 24495), (10810, 23856), (11040, 23359), (11280, 22862), (11360, 22701), (11431, 22560), (11928, 21620), (12880, 20022), (12972, 19880), (13064, 19740), (13160, 19596), (13348, 19320), (14910, 17296), (15134, 17040), (15456, 16685), (15792, 16330), (15904, 16215)]