218865456

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 160

約数和(自身を含む): 661862400

約数和(自身を除く): 442996944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 59, 62, 72, 93, 108, 118, 124, 144, 177, 186, 216, 236, 248, 277, 279, 354, 372, 432, 472, 496, 531, 554, 558, 708, 744, 831, 837, 944, 1062, 1108, 1116, 1416, 1488, 1593, 1662, 1674, 1829, 2124, 2216, 2232, 2493, 2832, 3186, 3324, 3348, 3658, 4248, 4432, 4464, 4986, 5487, 6372, 6648, 6696, 7316, 7479, 8496, 8587, 9972, 10974, 12744, 13296, 13392, 14632, 14958, 16343, 16461, 17174, 19944, 21948, 25488, 25761, 29264, 29916, 32686, 32922, 34348, 39888, 43896, 49029, 49383, 51522, 59832, 65372, 65844, 68696, 77283, 87792, 98058, 98766, 103044, 119664, 130744, 131688, 137392, 147087, 154566, 196116, 197532, 206088, 231849, 261488, 263376, 294174, 309132, 392232, 395064, 412176, 441261, 463698, 506633, 588348, 618264, 784464, 790128, 882522, 927396, 1013266, 1176696, 1236528, 1519899, 1765044, 1854792, 2026532, 2353392, 3039798, 3530088, 3709584, 4053064, 4559697, 6079596, 7060176, 8106128, 9119394, 12159192, 13679091, 18238788, 24318384, 27358182, 36477576, 54716364, 72955152, 109432728, 218865456]

約数ペア:

[(1, 218865456), (2, 109432728), (3, 72955152), (4, 54716364), (6, 36477576), (8, 27358182), (9, 24318384), (12, 18238788), (16, 13679091), (18, 12159192), (24, 9119394), (27, 8106128), (31, 7060176), (36, 6079596), (48, 4559697), (54, 4053064), (59, 3709584), (62, 3530088), (72, 3039798), (93, 2353392), (108, 2026532), (118, 1854792), (124, 1765044), (144, 1519899), (177, 1236528), (186, 1176696), (216, 1013266), (236, 927396), (248, 882522), (277, 790128), (279, 784464), (354, 618264), (372, 588348), (432, 506633), (472, 463698), (496, 441261), (531, 412176), (554, 395064), (558, 392232), (708, 309132), (744, 294174), (831, 263376), (837, 261488), (944, 231849), (1062, 206088), (1108, 197532), (1116, 196116), (1416, 154566), (1488, 147087), (1593, 137392), (1662, 131688), (1674, 130744), (1829, 119664), (2124, 103044), (2216, 98766), (2232, 98058), (2493, 87792), (2832, 77283), (3186, 68696), (3324, 65844), (3348, 65372), (3658, 59832), (4248, 51522), (4432, 49383), (4464, 49029), (4986, 43896), (5487, 39888), (6372, 34348), (6648, 32922), (6696, 32686), (7316, 29916), (7479, 29264), (8496, 25761), (8587, 25488), (9972, 21948), (10974, 19944), (12744, 17174), (13296, 16461), (13392, 16343), (14632, 14958)]