256056528

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 855028608

約数和(自身を除く): 598972080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 52, 56, 61, 62, 78, 84, 91, 93, 104, 112, 122, 124, 156, 168, 182, 183, 186, 208, 217, 244, 248, 273, 312, 336, 364, 366, 372, 403, 427, 434, 488, 496, 546, 624, 651, 728, 732, 744, 793, 806, 854, 868, 961, 976, 1092, 1209, 1281, 1302, 1456, 1464, 1488, 1586, 1612, 1708, 1736, 1891, 1922, 2184, 2379, 2418, 2562, 2604, 2821, 2883, 2928, 3172, 3224, 3416, 3472, 3782, 3844, 4368, 4758, 4836, 5124, 5208, 5551, 5642, 5673, 5766, 6344, 6448, 6727, 6832, 7564, 7688, 8463, 9516, 9672, 10248, 10416, 11102, 11284, 11346, 11532, 12493, 12688, 13237, 13454, 15128, 15376, 16653, 16926, 19032, 19344, 20181, 20496, 22204, 22568, 22692, 23064, 24583, 24986, 26474, 26908, 30256, 33306, 33852, 37479, 38064, 39711, 40362, 44408, 45136, 45384, 46128, 49166, 49972, 52948, 53816, 58621, 66612, 67704, 73749, 74958, 79422, 80724, 87451, 88816, 90768, 98332, 99944, 105896, 107632, 117242, 133224, 135408, 147498, 149916, 158844, 161448, 172081, 174902, 175863, 196664, 199888, 211792, 234484, 262353, 266448, 294996, 299832, 317688, 322896, 344162, 349804, 351726, 393328, 410347, 468968, 516243, 524706, 589992, 599664, 635376, 688324, 699608, 703452, 762073, 820694, 937936, 1032486, 1049412, 1179984, 1231041, 1376648, 1399216, 1406904, 1524146, 1641388, 2064972, 2098824, 2286219, 2462082, 2753296, 2813808, 3048292, 3282776, 4129944, 4197648, 4572438, 4924164, 5334511, 6096584, 6565552, 8259888, 9144876, 9848328, 10669022, 12193168, 16003533, 18289752, 19696656, 21338044, 32007066, 36579504, 42676088, 64014132, 85352176, 128028264, 256056528]

約数ペア:

[(1, 256056528), (2, 128028264), (3, 85352176), (4, 64014132), (6, 42676088), (7, 36579504), (8, 32007066), (12, 21338044), (13, 19696656), (14, 18289752), (16, 16003533), (21, 12193168), (24, 10669022), (26, 9848328), (28, 9144876), (31, 8259888), (39, 6565552), (42, 6096584), (48, 5334511), (52, 4924164), (56, 4572438), (61, 4197648), (62, 4129944), (78, 3282776), (84, 3048292), (91, 2813808), (93, 2753296), (104, 2462082), (112, 2286219), (122, 2098824), (124, 2064972), (156, 1641388), (168, 1524146), (182, 1406904), (183, 1399216), (186, 1376648), (208, 1231041), (217, 1179984), (244, 1049412), (248, 1032486), (273, 937936), (312, 820694), (336, 762073), (364, 703452), (366, 699608), (372, 688324), (403, 635376), (427, 599664), (434, 589992), (488, 524706), (496, 516243), (546, 468968), (624, 410347), (651, 393328), (728, 351726), (732, 349804), (744, 344162), (793, 322896), (806, 317688), (854, 299832), (868, 294996), (961, 266448), (976, 262353), (1092, 234484), (1209, 211792), (1281, 199888), (1302, 196664), (1456, 175863), (1464, 174902), (1488, 172081), (1586, 161448), (1612, 158844), (1708, 149916), (1736, 147498), (1891, 135408), (1922, 133224), (2184, 117242), (2379, 107632), (2418, 105896), (2562, 99944), (2604, 98332), (2821, 90768), (2883, 88816), (2928, 87451), (3172, 80724), (3224, 79422), (3416, 74958), (3472, 73749), (3782, 67704), (3844, 66612), (4368, 58621), (4758, 53816), (4836, 52948), (5124, 49972), (5208, 49166), (5551, 46128), (5642, 45384), (5673, 45136), (5766, 44408), (6344, 40362), (6448, 39711), (6727, 38064), (6832, 37479), (7564, 33852), (7688, 33306), (8463, 30256), (9516, 26908), (9672, 26474), (10248, 24986), (10416, 24583), (11102, 23064), (11284, 22692), (11346, 22568), (11532, 22204), (12493, 20496), (12688, 20181), (13237, 19344), (13454, 19032), (15128, 16926), (15376, 16653)]