257511744

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 224

約数和(自身を含む): 881888000

約数和(自身を除く): 624376256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 61, 63, 64, 72, 84, 96, 108, 112, 122, 126, 144, 168, 183, 189, 192, 216, 224, 244, 252, 288, 336, 349, 366, 378, 427, 432, 448, 488, 504, 549, 576, 672, 698, 732, 756, 854, 864, 976, 1008, 1047, 1098, 1281, 1344, 1396, 1464, 1512, 1647, 1708, 1728, 1952, 2016, 2094, 2196, 2443, 2562, 2792, 2928, 3024, 3141, 3294, 3416, 3843, 3904, 4032, 4188, 4392, 4886, 5124, 5584, 5856, 6048, 6282, 6588, 6832, 7329, 7686, 8376, 8784, 9423, 9772, 10248, 11168, 11529, 11712, 12096, 12564, 13176, 13664, 14658, 15372, 16752, 17568, 18846, 19544, 20496, 21289, 21987, 22336, 23058, 25128, 26352, 27328, 29316, 30744, 33504, 35136, 37692, 39088, 40992, 42578, 43974, 46116, 50256, 52704, 58632, 61488, 63867, 65961, 67008, 75384, 78176, 81984, 85156, 87948, 92232, 100512, 105408, 117264, 122976, 127734, 131922, 149023, 150768, 156352, 170312, 175896, 184464, 191601, 201024, 234528, 245952, 255468, 263844, 298046, 301536, 340624, 351792, 368928, 383202, 447069, 469056, 510936, 527688, 574803, 596092, 603072, 681248, 703584, 737856, 766404, 894138, 1021872, 1055376, 1149606, 1192184, 1341207, 1362496, 1407168, 1532808, 1788276, 2043744, 2110752, 2299212, 2384368, 2682414, 3065616, 3576552, 4023621, 4087488, 4221504, 4598424, 4768736, 5364828, 6131232, 7153104, 8047242, 9196848, 9537472, 10729656, 12262464, 14306208, 16094484, 18393696, 21459312, 28612416, 32188968, 36787392, 42918624, 64377936, 85837248, 128755872, 257511744]

約数ペア:

[(1, 257511744), (2, 128755872), (3, 85837248), (4, 64377936), (6, 42918624), (7, 36787392), (8, 32188968), (9, 28612416), (12, 21459312), (14, 18393696), (16, 16094484), (18, 14306208), (21, 12262464), (24, 10729656), (27, 9537472), (28, 9196848), (32, 8047242), (36, 7153104), (42, 6131232), (48, 5364828), (54, 4768736), (56, 4598424), (61, 4221504), (63, 4087488), (64, 4023621), (72, 3576552), (84, 3065616), (96, 2682414), (108, 2384368), (112, 2299212), (122, 2110752), (126, 2043744), (144, 1788276), (168, 1532808), (183, 1407168), (189, 1362496), (192, 1341207), (216, 1192184), (224, 1149606), (244, 1055376), (252, 1021872), (288, 894138), (336, 766404), (349, 737856), (366, 703584), (378, 681248), (427, 603072), (432, 596092), (448, 574803), (488, 527688), (504, 510936), (549, 469056), (576, 447069), (672, 383202), (698, 368928), (732, 351792), (756, 340624), (854, 301536), (864, 298046), (976, 263844), (1008, 255468), (1047, 245952), (1098, 234528), (1281, 201024), (1344, 191601), (1396, 184464), (1464, 175896), (1512, 170312), (1647, 156352), (1708, 150768), (1728, 149023), (1952, 131922), (2016, 127734), (2094, 122976), (2196, 117264), (2443, 105408), (2562, 100512), (2792, 92232), (2928, 87948), (3024, 85156), (3141, 81984), (3294, 78176), (3416, 75384), (3843, 67008), (3904, 65961), (4032, 63867), (4188, 61488), (4392, 58632), (4886, 52704), (5124, 50256), (5584, 46116), (5856, 43974), (6048, 42578), (6282, 40992), (6588, 39088), (6832, 37692), (7329, 35136), (7686, 33504), (8376, 30744), (8784, 29316), (9423, 27328), (9772, 26352), (10248, 25128), (11168, 23058), (11529, 22336), (11712, 21987), (12096, 21289), (12564, 20496), (13176, 19544), (13664, 18846), (14658, 17568), (15372, 16752)]