128662920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 192

約数和(自身を含む): 448156800

約数和(自身を除く): 319493880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 60, 69, 72, 82, 90, 92, 115, 120, 123, 138, 164, 180, 184, 205, 207, 230, 246, 276, 328, 345, 360, 369, 379, 410, 414, 460, 492, 552, 615, 690, 738, 758, 820, 828, 920, 943, 984, 1035, 1137, 1230, 1380, 1476, 1516, 1640, 1656, 1845, 1886, 1895, 2070, 2274, 2460, 2760, 2829, 2952, 3032, 3411, 3690, 3772, 3790, 4140, 4548, 4715, 4920, 5658, 5685, 6822, 7380, 7544, 7580, 8280, 8487, 8717, 9096, 9430, 11316, 11370, 13644, 14145, 14760, 15160, 15539, 16974, 17055, 17434, 18860, 22632, 22740, 26151, 27288, 28290, 31078, 33948, 34110, 34868, 37720, 42435, 43585, 45480, 46617, 52302, 56580, 62156, 67896, 68220, 69736, 77695, 78453, 84870, 87170, 93234, 104604, 113160, 124312, 130755, 136440, 139851, 155390, 156906, 169740, 174340, 186468, 209208, 233085, 261510, 279702, 310780, 313812, 339480, 348680, 357397, 372936, 392265, 466170, 523020, 559404, 621560, 627624, 699255, 714794, 784530, 932340, 1046040, 1072191, 1118808, 1398510, 1429588, 1569060, 1786985, 1864680, 2144382, 2797020, 2859176, 3138120, 3216573, 3573970, 4288764, 5360955, 5594040, 6433146, 7147940, 8577528, 10721910, 12866292, 14295880, 16082865, 21443820, 25732584, 32165730, 42887640, 64331460, 128662920]

約数ペア:

[(1, 128662920), (2, 64331460), (3, 42887640), (4, 32165730), (5, 25732584), (6, 21443820), (8, 16082865), (9, 14295880), (10, 12866292), (12, 10721910), (15, 8577528), (18, 7147940), (20, 6433146), (23, 5594040), (24, 5360955), (30, 4288764), (36, 3573970), (40, 3216573), (41, 3138120), (45, 2859176), (46, 2797020), (60, 2144382), (69, 1864680), (72, 1786985), (82, 1569060), (90, 1429588), (92, 1398510), (115, 1118808), (120, 1072191), (123, 1046040), (138, 932340), (164, 784530), (180, 714794), (184, 699255), (205, 627624), (207, 621560), (230, 559404), (246, 523020), (276, 466170), (328, 392265), (345, 372936), (360, 357397), (369, 348680), (379, 339480), (410, 313812), (414, 310780), (460, 279702), (492, 261510), (552, 233085), (615, 209208), (690, 186468), (738, 174340), (758, 169740), (820, 156906), (828, 155390), (920, 139851), (943, 136440), (984, 130755), (1035, 124312), (1137, 113160), (1230, 104604), (1380, 93234), (1476, 87170), (1516, 84870), (1640, 78453), (1656, 77695), (1845, 69736), (1886, 68220), (1895, 67896), (2070, 62156), (2274, 56580), (2460, 52302), (2760, 46617), (2829, 45480), (2952, 43585), (3032, 42435), (3411, 37720), (3690, 34868), (3772, 34110), (3790, 33948), (4140, 31078), (4548, 28290), (4715, 27288), (4920, 26151), (5658, 22740), (5685, 22632), (6822, 18860), (7380, 17434), (7544, 17055), (7580, 16974), (8280, 15539), (8487, 15160), (8717, 14760), (9096, 14145), (9430, 13644), (11316, 11370)]