256379424

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 796751424

約数和(自身を除く): 540372000

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 397, 434, 496, 651, 672, 744, 794, 868, 961, 992, 1191, 1302, 1488, 1588, 1736, 1922, 2382, 2604, 2779, 2883, 2976, 3176, 3472, 3844, 4764, 5208, 5558, 5766, 6352, 6727, 6944, 7688, 8337, 9528, 10416, 11116, 11532, 12307, 12704, 13454, 15376, 16674, 19056, 20181, 20832, 22232, 23064, 24614, 26908, 30752, 33348, 36921, 38112, 40362, 44464, 46128, 49228, 53816, 66696, 73842, 80724, 86149, 88928, 92256, 98456, 107632, 133392, 147684, 161448, 172298, 196912, 215264, 258447, 266784, 295368, 322896, 344596, 381517, 393824, 516894, 590736, 645792, 689192, 763034, 1033788, 1144551, 1181472, 1378384, 1526068, 2067576, 2289102, 2670619, 2756768, 3052136, 4135152, 4578204, 5341238, 6104272, 8011857, 8270304, 9156408, 10682476, 12208544, 16023714, 18312816, 21364952, 32047428, 36625632, 42729904, 64094856, 85459808, 128189712, 256379424]

約数ペア:

[(1, 256379424), (2, 128189712), (3, 85459808), (4, 64094856), (6, 42729904), (7, 36625632), (8, 32047428), (12, 21364952), (14, 18312816), (16, 16023714), (21, 12208544), (24, 10682476), (28, 9156408), (31, 8270304), (32, 8011857), (42, 6104272), (48, 5341238), (56, 4578204), (62, 4135152), (84, 3052136), (93, 2756768), (96, 2670619), (112, 2289102), (124, 2067576), (168, 1526068), (186, 1378384), (217, 1181472), (224, 1144551), (248, 1033788), (336, 763034), (372, 689192), (397, 645792), (434, 590736), (496, 516894), (651, 393824), (672, 381517), (744, 344596), (794, 322896), (868, 295368), (961, 266784), (992, 258447), (1191, 215264), (1302, 196912), (1488, 172298), (1588, 161448), (1736, 147684), (1922, 133392), (2382, 107632), (2604, 98456), (2779, 92256), (2883, 88928), (2976, 86149), (3176, 80724), (3472, 73842), (3844, 66696), (4764, 53816), (5208, 49228), (5558, 46128), (5766, 44464), (6352, 40362), (6727, 38112), (6944, 36921), (7688, 33348), (8337, 30752), (9528, 26908), (10416, 24614), (11116, 23064), (11532, 22232), (12307, 20832), (12704, 20181), (13454, 19056), (15376, 16674)]