128780928

素因数分解:

$2^7\times 3^4\times {\mathrm{12421}}^1$

素因数の和:12447

約数の個数: 80

約数和(自身を含む): 383280810

約数和(自身を除く): 254499882

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 12421, 24842, 37263, 49684, 74526, 99368, 111789, 149052, 198736, 223578, 298104, 335367, 397472, 447156, 596208, 670734, 794944, 894312, 1006101, 1192416, 1341468, 1589888, 1788624, 2012202, 2384832, 2682936, 3577248, 4024404, 4769664, 5365872, 7154496, 8048808, 10731744, 14308992, 16097616, 21463488, 32195232, 42926976, 64390464, 128780928]

約数ペア:

[(1, 128780928), (2, 64390464), (3, 42926976), (4, 32195232), (6, 21463488), (8, 16097616), (9, 14308992), (12, 10731744), (16, 8048808), (18, 7154496), (24, 5365872), (27, 4769664), (32, 4024404), (36, 3577248), (48, 2682936), (54, 2384832), (64, 2012202), (72, 1788624), (81, 1589888), (96, 1341468), (108, 1192416), (128, 1006101), (144, 894312), (162, 794944), (192, 670734), (216, 596208), (288, 447156), (324, 397472), (384, 335367), (432, 298104), (576, 223578), (648, 198736), (864, 149052), (1152, 111789), (1296, 99368), (1728, 74526), (2592, 49684), (3456, 37263), (5184, 24842), (10368, 12421)]