257504016

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 240

約数和(自身を含む): 870212160

約数和(自身を除く): 612708144

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 37, 42, 44, 48, 49, 56, 66, 74, 77, 84, 88, 98, 111, 112, 132, 147, 148, 154, 168, 176, 196, 222, 231, 259, 264, 269, 294, 296, 308, 336, 392, 407, 444, 462, 518, 528, 538, 539, 588, 592, 616, 777, 784, 807, 814, 888, 924, 1036, 1076, 1078, 1176, 1221, 1232, 1554, 1614, 1617, 1628, 1776, 1813, 1848, 1883, 2072, 2152, 2156, 2352, 2442, 2849, 2959, 3108, 3228, 3234, 3256, 3626, 3696, 3766, 4144, 4304, 4312, 4884, 5439, 5649, 5698, 5918, 6216, 6456, 6468, 6512, 7252, 7532, 8547, 8624, 8877, 9768, 9953, 10878, 11298, 11396, 11836, 12432, 12912, 12936, 13181, 14504, 15064, 17094, 17754, 19536, 19906, 19943, 20713, 21756, 22596, 22792, 23672, 25872, 26362, 29008, 29859, 30128, 34188, 35508, 39543, 39812, 39886, 41426, 43512, 45192, 45584, 47344, 52724, 59718, 59829, 62139, 68376, 69671, 71016, 79086, 79624, 79772, 82852, 87024, 90384, 105448, 109483, 119436, 119658, 124278, 136752, 139342, 142032, 144991, 158172, 159248, 159544, 165704, 209013, 210896, 218966, 238872, 239316, 248556, 278684, 289982, 316344, 319088, 328449, 331408, 418026, 434973, 437932, 477744, 478632, 487697, 497112, 557368, 579964, 632688, 656898, 766381, 836052, 869946, 875864, 957264, 975394, 994224, 1114736, 1159928, 1313796, 1463091, 1532762, 1672104, 1739892, 1751728, 1950788, 2299143, 2319856, 2627592, 2926182, 3065524, 3344208, 3479784, 3901576, 4598286, 5255184, 5364667, 5852364, 6131048, 6959568, 7803152, 9196572, 10729334, 11704728, 12262096, 16094001, 18393144, 21458668, 23409456, 32188002, 36786288, 42917336, 64376004, 85834672, 128752008, 257504016]

約数ペア:

[(1, 257504016), (2, 128752008), (3, 85834672), (4, 64376004), (6, 42917336), (7, 36786288), (8, 32188002), (11, 23409456), (12, 21458668), (14, 18393144), (16, 16094001), (21, 12262096), (22, 11704728), (24, 10729334), (28, 9196572), (33, 7803152), (37, 6959568), (42, 6131048), (44, 5852364), (48, 5364667), (49, 5255184), (56, 4598286), (66, 3901576), (74, 3479784), (77, 3344208), (84, 3065524), (88, 2926182), (98, 2627592), (111, 2319856), (112, 2299143), (132, 1950788), (147, 1751728), (148, 1739892), (154, 1672104), (168, 1532762), (176, 1463091), (196, 1313796), (222, 1159928), (231, 1114736), (259, 994224), (264, 975394), (269, 957264), (294, 875864), (296, 869946), (308, 836052), (336, 766381), (392, 656898), (407, 632688), (444, 579964), (462, 557368), (518, 497112), (528, 487697), (538, 478632), (539, 477744), (588, 437932), (592, 434973), (616, 418026), (777, 331408), (784, 328449), (807, 319088), (814, 316344), (888, 289982), (924, 278684), (1036, 248556), (1076, 239316), (1078, 238872), (1176, 218966), (1221, 210896), (1232, 209013), (1554, 165704), (1614, 159544), (1617, 159248), (1628, 158172), (1776, 144991), (1813, 142032), (1848, 139342), (1883, 136752), (2072, 124278), (2152, 119658), (2156, 119436), (2352, 109483), (2442, 105448), (2849, 90384), (2959, 87024), (3108, 82852), (3228, 79772), (3234, 79624), (3256, 79086), (3626, 71016), (3696, 69671), (3766, 68376), (4144, 62139), (4304, 59829), (4312, 59718), (4884, 52724), (5439, 47344), (5649, 45584), (5698, 45192), (5918, 43512), (6216, 41426), (6456, 39886), (6468, 39812), (6512, 39543), (7252, 35508), (7532, 34188), (8547, 30128), (8624, 29859), (8877, 29008), (9768, 26362), (9953, 25872), (10878, 23672), (11298, 22792), (11396, 22596), (11836, 21756), (12432, 20713), (12912, 19943), (12936, 19906), (13181, 19536), (14504, 17754), (15064, 17094)]