256966776

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 192

約数和(自身を含む): 810432000

約数和(自身を除く): 553465224

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 37, 44, 54, 66, 72, 74, 79, 88, 99, 108, 111, 132, 148, 158, 198, 216, 222, 237, 264, 296, 297, 316, 333, 396, 407, 444, 474, 594, 632, 666, 711, 792, 814, 869, 888, 948, 999, 1188, 1221, 1332, 1369, 1422, 1628, 1738, 1896, 1998, 2133, 2376, 2442, 2607, 2664, 2738, 2844, 2923, 3256, 3476, 3663, 3996, 4107, 4266, 4884, 5214, 5476, 5688, 5846, 6952, 7326, 7821, 7992, 8214, 8532, 8769, 9768, 10428, 10952, 10989, 11692, 12321, 14652, 15059, 15642, 16428, 17064, 17538, 20856, 21978, 23384, 23463, 24642, 26307, 29304, 30118, 31284, 32153, 32856, 35076, 36963, 43956, 45177, 46926, 49284, 52614, 60236, 62568, 64306, 70152, 73926, 78921, 87912, 90354, 93852, 96459, 98568, 105228, 108151, 120472, 128612, 135531, 147852, 157842, 180708, 187704, 192918, 210456, 216302, 257224, 271062, 289377, 295704, 315684, 324453, 361416, 385836, 406593, 432604, 542124, 578754, 631368, 648906, 771672, 813186, 865208, 868131, 973359, 1084248, 1157508, 1189661, 1297812, 1626372, 1736262, 1946718, 2315016, 2379322, 2595624, 2920077, 3252744, 3472524, 3568983, 3893436, 4758644, 5840154, 6945048, 7137966, 7786872, 9517288, 10706949, 11680308, 14275932, 21413898, 23360616, 28551864, 32120847, 42827796, 64241694, 85655592, 128483388, 256966776]

約数ペア:

[(1, 256966776), (2, 128483388), (3, 85655592), (4, 64241694), (6, 42827796), (8, 32120847), (9, 28551864), (11, 23360616), (12, 21413898), (18, 14275932), (22, 11680308), (24, 10706949), (27, 9517288), (33, 7786872), (36, 7137966), (37, 6945048), (44, 5840154), (54, 4758644), (66, 3893436), (72, 3568983), (74, 3472524), (79, 3252744), (88, 2920077), (99, 2595624), (108, 2379322), (111, 2315016), (132, 1946718), (148, 1736262), (158, 1626372), (198, 1297812), (216, 1189661), (222, 1157508), (237, 1084248), (264, 973359), (296, 868131), (297, 865208), (316, 813186), (333, 771672), (396, 648906), (407, 631368), (444, 578754), (474, 542124), (594, 432604), (632, 406593), (666, 385836), (711, 361416), (792, 324453), (814, 315684), (869, 295704), (888, 289377), (948, 271062), (999, 257224), (1188, 216302), (1221, 210456), (1332, 192918), (1369, 187704), (1422, 180708), (1628, 157842), (1738, 147852), (1896, 135531), (1998, 128612), (2133, 120472), (2376, 108151), (2442, 105228), (2607, 98568), (2664, 96459), (2738, 93852), (2844, 90354), (2923, 87912), (3256, 78921), (3476, 73926), (3663, 70152), (3996, 64306), (4107, 62568), (4266, 60236), (4884, 52614), (5214, 49284), (5476, 46926), (5688, 45177), (5846, 43956), (6952, 36963), (7326, 35076), (7821, 32856), (7992, 32153), (8214, 31284), (8532, 30118), (8769, 29304), (9768, 26307), (10428, 24642), (10952, 23463), (10989, 23384), (11692, 21978), (12321, 20856), (14652, 17538), (15059, 17064), (15642, 16428)]