81143664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 252412416

約数和(自身を除く): 171268752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 61, 74, 84, 107, 111, 112, 122, 148, 168, 183, 214, 222, 244, 259, 296, 321, 336, 366, 427, 428, 444, 488, 518, 592, 642, 732, 749, 777, 854, 856, 888, 976, 1036, 1281, 1284, 1464, 1498, 1554, 1708, 1712, 1776, 2072, 2247, 2257, 2562, 2568, 2928, 2996, 3108, 3416, 3959, 4144, 4494, 4514, 5124, 5136, 5992, 6216, 6527, 6771, 6832, 7918, 8988, 9028, 10248, 11877, 11984, 12432, 13054, 13542, 15799, 15836, 17976, 18056, 19581, 20496, 23754, 26108, 27084, 27713, 31598, 31672, 35952, 36112, 39162, 45689, 47397, 47508, 52216, 54168, 55426, 63196, 63344, 78324, 83139, 91378, 94794, 95016, 104432, 108336, 110852, 126392, 137067, 156648, 166278, 182756, 189588, 190032, 221704, 241499, 252784, 274134, 313296, 332556, 365512, 379176, 443408, 482998, 548268, 665112, 724497, 731024, 758352, 965996, 1096536, 1330224, 1448994, 1690493, 1931992, 2193072, 2897988, 3380986, 3863984, 5071479, 5795976, 6761972, 10142958, 11591952, 13523944, 20285916, 27047888, 40571832, 81143664]

約数ペア:

[(1, 81143664), (2, 40571832), (3, 27047888), (4, 20285916), (6, 13523944), (7, 11591952), (8, 10142958), (12, 6761972), (14, 5795976), (16, 5071479), (21, 3863984), (24, 3380986), (28, 2897988), (37, 2193072), (42, 1931992), (48, 1690493), (56, 1448994), (61, 1330224), (74, 1096536), (84, 965996), (107, 758352), (111, 731024), (112, 724497), (122, 665112), (148, 548268), (168, 482998), (183, 443408), (214, 379176), (222, 365512), (244, 332556), (259, 313296), (296, 274134), (321, 252784), (336, 241499), (366, 221704), (427, 190032), (428, 189588), (444, 182756), (488, 166278), (518, 156648), (592, 137067), (642, 126392), (732, 110852), (749, 108336), (777, 104432), (854, 95016), (856, 94794), (888, 91378), (976, 83139), (1036, 78324), (1281, 63344), (1284, 63196), (1464, 55426), (1498, 54168), (1554, 52216), (1708, 47508), (1712, 47397), (1776, 45689), (2072, 39162), (2247, 36112), (2257, 35952), (2562, 31672), (2568, 31598), (2928, 27713), (2996, 27084), (3108, 26108), (3416, 23754), (3959, 20496), (4144, 19581), (4494, 18056), (4514, 17976), (5124, 15836), (5136, 15799), (5992, 13542), (6216, 13054), (6527, 12432), (6771, 11984), (6832, 11877), (7918, 10248), (8988, 9028)]