128790864

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 160

約数和(自身を含む): 390451200

約数和(自身を除く): 261660336

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, 163, 177, 186, 216, 236, 248, 279, 326, 354, 372, 432, 472, 489, 496, 531, 558, 652, 708, 744, 837, 944, 978, 1062, 1116, 1304, 1416, 1467, 1488, 1593, 1674, 1829, 1956, 2124, 2232, 2608, 2832, 2934, 3186, 3348, 3658, 3912, 4248, 4401, 4464, 5053, 5487, 5868, 6372, 6696, 7316, 7824, 8496, 8802, 9617, 10106, 10974, 11736, 12744, 13392, 14632, 15159, 16461, 17604, 19234, 20212, 21948, 23472, 25488, 28851, 29264, 30318, 32922, 35208, 38468, 40424, 43896, 45477, 49383, 57702, 60636, 65844, 70416, 76936, 80848, 86553, 87792, 90954, 98766, 115404, 121272, 131688, 136431, 153872, 173106, 181908, 197532, 230808, 242544, 259659, 263376, 272862, 298127, 346212, 363816, 395064, 461616, 519318, 545724, 596254, 692424, 727632, 790128, 894381, 1038636, 1091448, 1192508, 1384848, 1788762, 2077272, 2182896, 2385016, 2683143, 3577524, 4154544, 4770032, 5366286, 7155048, 8049429, 10732572, 14310096, 16098858, 21465144, 32197716, 42930288, 64395432, 128790864]

約数ペア:

[(1, 128790864), (2, 64395432), (3, 42930288), (4, 32197716), (6, 21465144), (8, 16098858), (9, 14310096), (12, 10732572), (16, 8049429), (18, 7155048), (24, 5366286), (27, 4770032), (31, 4154544), (36, 3577524), (48, 2683143), (54, 2385016), (59, 2182896), (62, 2077272), (72, 1788762), (93, 1384848), (108, 1192508), (118, 1091448), (124, 1038636), (144, 894381), (163, 790128), (177, 727632), (186, 692424), (216, 596254), (236, 545724), (248, 519318), (279, 461616), (326, 395064), (354, 363816), (372, 346212), (432, 298127), (472, 272862), (489, 263376), (496, 259659), (531, 242544), (558, 230808), (652, 197532), (708, 181908), (744, 173106), (837, 153872), (944, 136431), (978, 131688), (1062, 121272), (1116, 115404), (1304, 98766), (1416, 90954), (1467, 87792), (1488, 86553), (1593, 80848), (1674, 76936), (1829, 70416), (1956, 65844), (2124, 60636), (2232, 57702), (2608, 49383), (2832, 45477), (2934, 43896), (3186, 40424), (3348, 38468), (3658, 35208), (3912, 32922), (4248, 30318), (4401, 29264), (4464, 28851), (5053, 25488), (5487, 23472), (5868, 21948), (6372, 20212), (6696, 19234), (7316, 17604), (7824, 16461), (8496, 15159), (8802, 14632), (9617, 13392), (10106, 12744), (10974, 11736)]