30955760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 80

約数和(自身を含む): 81289440

約数和(自身を除く): 50333680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1213, 1276, 1595, 2320, 2426, 2552, 3190, 4852, 5104, 6065, 6380, 9704, 12130, 12760, 13343, 19408, 24260, 25520, 26686, 35177, 48520, 53372, 66715, 70354, 97040, 106744, 133430, 140708, 175885, 213488, 266860, 281416, 351770, 386947, 533720, 562832, 703540, 773894, 1067440, 1407080, 1547788, 1934735, 2814160, 3095576, 3869470, 6191152, 7738940, 15477880, 30955760]

約数ペア:

[(1, 30955760), (2, 15477880), (4, 7738940), (5, 6191152), (8, 3869470), (10, 3095576), (11, 2814160), (16, 1934735), (20, 1547788), (22, 1407080), (29, 1067440), (40, 773894), (44, 703540), (55, 562832), (58, 533720), (80, 386947), (88, 351770), (110, 281416), (116, 266860), (145, 213488), (176, 175885), (220, 140708), (232, 133430), (290, 106744), (319, 97040), (440, 70354), (464, 66715), (580, 53372), (638, 48520), (880, 35177), (1160, 26686), (1213, 25520), (1276, 24260), (1595, 19408), (2320, 13343), (2426, 12760), (2552, 12130), (3190, 9704), (4852, 6380), (5104, 6065)]