82944880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 204763680

約数和(自身を除く): 121818800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 277, 304, 380, 394, 554, 760, 788, 985, 1108, 1385, 1520, 1576, 1970, 2216, 2770, 3152, 3743, 3940, 4432, 5263, 5540, 7486, 7880, 10526, 11080, 14972, 15760, 18715, 21052, 22160, 26315, 29944, 37430, 42104, 52630, 54569, 59888, 74860, 84208, 105260, 109138, 149720, 210520, 218276, 272845, 299440, 421040, 436552, 545690, 873104, 1036811, 1091380, 2073622, 2182760, 4147244, 4365520, 5184055, 8294488, 10368110, 16588976, 20736220, 41472440, 82944880]

約数ペア:

[(1, 82944880), (2, 41472440), (4, 20736220), (5, 16588976), (8, 10368110), (10, 8294488), (16, 5184055), (19, 4365520), (20, 4147244), (38, 2182760), (40, 2073622), (76, 1091380), (80, 1036811), (95, 873104), (152, 545690), (190, 436552), (197, 421040), (277, 299440), (304, 272845), (380, 218276), (394, 210520), (554, 149720), (760, 109138), (788, 105260), (985, 84208), (1108, 74860), (1385, 59888), (1520, 54569), (1576, 52630), (1970, 42104), (2216, 37430), (2770, 29944), (3152, 26315), (3743, 22160), (3940, 21052), (4432, 18715), (5263, 15760), (5540, 14972), (7486, 11080), (7880, 10526)]