256369440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12421}}^1$

素因数の和:12482

約数の個数: 96

約数和(自身を含む): 826410816

約数和(自身を除く): 570041376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 12421, 20640, 24842, 37263, 49684, 62105, 74526, 99368, 124210, 149052, 186315, 198736, 248420, 298104, 372630, 397472, 496840, 534103, 596208, 745260, 993680, 1068206, 1192416, 1490520, 1602309, 1987360, 2136412, 2670515, 2981040, 3204618, 4272824, 5341030, 5962080, 6409236, 8011545, 8545648, 10682060, 12818472, 16023090, 17091296, 21364120, 25636944, 32046180, 42728240, 51273888, 64092360, 85456480, 128184720, 256369440]

約数ペア:

[(1, 256369440), (2, 128184720), (3, 85456480), (4, 64092360), (5, 51273888), (6, 42728240), (8, 32046180), (10, 25636944), (12, 21364120), (15, 17091296), (16, 16023090), (20, 12818472), (24, 10682060), (30, 8545648), (32, 8011545), (40, 6409236), (43, 5962080), (48, 5341030), (60, 4272824), (80, 3204618), (86, 2981040), (96, 2670515), (120, 2136412), (129, 1987360), (160, 1602309), (172, 1490520), (215, 1192416), (240, 1068206), (258, 993680), (344, 745260), (430, 596208), (480, 534103), (516, 496840), (645, 397472), (688, 372630), (860, 298104), (1032, 248420), (1290, 198736), (1376, 186315), (1720, 149052), (2064, 124210), (2580, 99368), (3440, 74526), (4128, 62105), (5160, 49684), (6880, 37263), (10320, 24842), (12421, 20640)]