81007080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 192

約数和(自身を含む): 305665920

約数和(自身を除く): 224658840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 121, 132, 140, 154, 165, 168, 210, 220, 231, 242, 264, 280, 308, 330, 363, 385, 420, 440, 462, 484, 605, 616, 660, 726, 770, 797, 840, 847, 924, 968, 1155, 1210, 1320, 1452, 1540, 1594, 1694, 1815, 1848, 2310, 2391, 2420, 2541, 2904, 3080, 3188, 3388, 3630, 3985, 4235, 4620, 4782, 4840, 5082, 5579, 6376, 6776, 7260, 7970, 8470, 8767, 9240, 9564, 10164, 11158, 11955, 12705, 14520, 15940, 16737, 16940, 17534, 19128, 20328, 22316, 23910, 25410, 26301, 27895, 31880, 33474, 33880, 35068, 43835, 44632, 47820, 50820, 52602, 55790, 61369, 66948, 70136, 83685, 87670, 95640, 96437, 101640, 105204, 111580, 122738, 131505, 133896, 167370, 175340, 184107, 192874, 210408, 223160, 245476, 263010, 289311, 306845, 334740, 350680, 368214, 385748, 482185, 490952, 526020, 578622, 613690, 669480, 675059, 736428, 771496, 920535, 964370, 1052040, 1157244, 1227380, 1350118, 1446555, 1472856, 1841070, 1928740, 2025177, 2314488, 2454760, 2700236, 2893110, 3375295, 3682140, 3857480, 4050354, 5400472, 5786220, 6750590, 7364280, 8100708, 10125885, 11572440, 13501180, 16201416, 20251770, 27002360, 40503540, 81007080]

約数ペア:

[(1, 81007080), (2, 40503540), (3, 27002360), (4, 20251770), (5, 16201416), (6, 13501180), (7, 11572440), (8, 10125885), (10, 8100708), (11, 7364280), (12, 6750590), (14, 5786220), (15, 5400472), (20, 4050354), (21, 3857480), (22, 3682140), (24, 3375295), (28, 2893110), (30, 2700236), (33, 2454760), (35, 2314488), (40, 2025177), (42, 1928740), (44, 1841070), (55, 1472856), (56, 1446555), (60, 1350118), (66, 1227380), (70, 1157244), (77, 1052040), (84, 964370), (88, 920535), (105, 771496), (110, 736428), (120, 675059), (121, 669480), (132, 613690), (140, 578622), (154, 526020), (165, 490952), (168, 482185), (210, 385748), (220, 368214), (231, 350680), (242, 334740), (264, 306845), (280, 289311), (308, 263010), (330, 245476), (363, 223160), (385, 210408), (420, 192874), (440, 184107), (462, 175340), (484, 167370), (605, 133896), (616, 131505), (660, 122738), (726, 111580), (770, 105204), (797, 101640), (840, 96437), (847, 95640), (924, 87670), (968, 83685), (1155, 70136), (1210, 66948), (1320, 61369), (1452, 55790), (1540, 52602), (1594, 50820), (1694, 47820), (1815, 44632), (1848, 43835), (2310, 35068), (2391, 33880), (2420, 33474), (2541, 31880), (2904, 27895), (3080, 26301), (3188, 25410), (3388, 23910), (3630, 22316), (3985, 20328), (4235, 19128), (4620, 17534), (4782, 16940), (4840, 16737), (5082, 15940), (5579, 14520), (6376, 12705), (6776, 11955), (7260, 11158), (7970, 10164), (8470, 9564), (8767, 9240)]