257177232

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 823280640

約数和(自身を除く): 566103408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 37, 39, 47, 48, 52, 72, 74, 78, 79, 94, 104, 111, 117, 141, 144, 148, 156, 158, 188, 208, 222, 234, 237, 282, 296, 312, 316, 333, 376, 423, 444, 468, 474, 481, 564, 592, 611, 624, 632, 666, 711, 752, 846, 888, 936, 948, 962, 1027, 1128, 1222, 1264, 1332, 1422, 1443, 1692, 1739, 1776, 1833, 1872, 1896, 1924, 2054, 2256, 2444, 2664, 2844, 2886, 2923, 3081, 3384, 3478, 3666, 3713, 3792, 3848, 4108, 4329, 4888, 5217, 5328, 5499, 5688, 5772, 5846, 6162, 6768, 6956, 7332, 7426, 7696, 8216, 8658, 8769, 9243, 9776, 10434, 10998, 11139, 11376, 11544, 11692, 12324, 13912, 14664, 14852, 15651, 16432, 17316, 17538, 18486, 20868, 21996, 22278, 22607, 23088, 23384, 24648, 26307, 27824, 29328, 29704, 31302, 33417, 34632, 35076, 36972, 37999, 41736, 43992, 44556, 45214, 46768, 48269, 49296, 52614, 59408, 62604, 66834, 67821, 69264, 70152, 73944, 75998, 83472, 87984, 89112, 90428, 96538, 105228, 113997, 125208, 133668, 135642, 137381, 140304, 144807, 147888, 151996, 178224, 180856, 193076, 203463, 210456, 227994, 250416, 267336, 271284, 274762, 289614, 303992, 341991, 361712, 386152, 406926, 412143, 420912, 434421, 455988, 534672, 542568, 549524, 579228, 607984, 683982, 772304, 813852, 824286, 868842, 911976, 1085136, 1099048, 1158456, 1236429, 1367964, 1627704, 1648572, 1737684, 1785953, 1823952, 2198096, 2316912, 2472858, 2735928, 3255408, 3297144, 3475368, 3571906, 4945716, 5357859, 5471856, 6594288, 6950736, 7143812, 9891432, 10715718, 14287624, 16073577, 19782864, 21431436, 28575248, 32147154, 42862872, 64294308, 85725744, 128588616, 257177232]

約数ペア:

[(1, 257177232), (2, 128588616), (3, 85725744), (4, 64294308), (6, 42862872), (8, 32147154), (9, 28575248), (12, 21431436), (13, 19782864), (16, 16073577), (18, 14287624), (24, 10715718), (26, 9891432), (36, 7143812), (37, 6950736), (39, 6594288), (47, 5471856), (48, 5357859), (52, 4945716), (72, 3571906), (74, 3475368), (78, 3297144), (79, 3255408), (94, 2735928), (104, 2472858), (111, 2316912), (117, 2198096), (141, 1823952), (144, 1785953), (148, 1737684), (156, 1648572), (158, 1627704), (188, 1367964), (208, 1236429), (222, 1158456), (234, 1099048), (237, 1085136), (282, 911976), (296, 868842), (312, 824286), (316, 813852), (333, 772304), (376, 683982), (423, 607984), (444, 579228), (468, 549524), (474, 542568), (481, 534672), (564, 455988), (592, 434421), (611, 420912), (624, 412143), (632, 406926), (666, 386152), (711, 361712), (752, 341991), (846, 303992), (888, 289614), (936, 274762), (948, 271284), (962, 267336), (1027, 250416), (1128, 227994), (1222, 210456), (1264, 203463), (1332, 193076), (1422, 180856), (1443, 178224), (1692, 151996), (1739, 147888), (1776, 144807), (1833, 140304), (1872, 137381), (1896, 135642), (1924, 133668), (2054, 125208), (2256, 113997), (2444, 105228), (2664, 96538), (2844, 90428), (2886, 89112), (2923, 87984), (3081, 83472), (3384, 75998), (3478, 73944), (3666, 70152), (3713, 69264), (3792, 67821), (3848, 66834), (4108, 62604), (4329, 59408), (4888, 52614), (5217, 49296), (5328, 48269), (5499, 46768), (5688, 45214), (5772, 44556), (5846, 43992), (6162, 41736), (6768, 37999), (6956, 36972), (7332, 35076), (7426, 34632), (7696, 33417), (8216, 31302), (8658, 29704), (8769, 29328), (9243, 27824), (9776, 26307), (10434, 24648), (10998, 23384), (11139, 23088), (11376, 22607), (11544, 22278), (11692, 21996), (12324, 20868), (13912, 18486), (14664, 17538), (14852, 17316), (15651, 16432)]