128622480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76561}}^1$

素因数の和:76584

約数の個数: 80

約数和(自身を含む): 455697024

約数和(自身を除く): 327074544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76561, 153122, 229683, 306244, 382805, 459366, 535927, 612488, 765610, 918732, 1071854, 1148415, 1224976, 1531220, 1607781, 1837464, 2143708, 2296830, 2679635, 3062440, 3215562, 3674928, 4287416, 4593660, 5359270, 6124880, 6431124, 8038905, 8574832, 9187320, 10718540, 12862248, 16077810, 18374640, 21437080, 25724496, 32155620, 42874160, 64311240, 128622480]

約数ペア:

[(1, 128622480), (2, 64311240), (3, 42874160), (4, 32155620), (5, 25724496), (6, 21437080), (7, 18374640), (8, 16077810), (10, 12862248), (12, 10718540), (14, 9187320), (15, 8574832), (16, 8038905), (20, 6431124), (21, 6124880), (24, 5359270), (28, 4593660), (30, 4287416), (35, 3674928), (40, 3215562), (42, 3062440), (48, 2679635), (56, 2296830), (60, 2143708), (70, 1837464), (80, 1607781), (84, 1531220), (105, 1224976), (112, 1148415), (120, 1071854), (140, 918732), (168, 765610), (210, 612488), (240, 535927), (280, 459366), (336, 382805), (420, 306244), (560, 229683), (840, 153122), (1680, 76561)]