201678160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 496396800

約数和(自身を除く): 294718640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 277, 304, 380, 479, 554, 760, 958, 1108, 1385, 1520, 1916, 2216, 2395, 2770, 3832, 4432, 4790, 5263, 5540, 7664, 9101, 9580, 10526, 11080, 18202, 19160, 21052, 22160, 26315, 36404, 38320, 42104, 45505, 52630, 72808, 84208, 91010, 105260, 132683, 145616, 182020, 210520, 265366, 364040, 421040, 530732, 663415, 728080, 1061464, 1326830, 2122928, 2520977, 2653660, 5041954, 5307320, 10083908, 10614640, 12604885, 20167816, 25209770, 40335632, 50419540, 100839080, 201678160]

約数ペア:

[(1, 201678160), (2, 100839080), (4, 50419540), (5, 40335632), (8, 25209770), (10, 20167816), (16, 12604885), (19, 10614640), (20, 10083908), (38, 5307320), (40, 5041954), (76, 2653660), (80, 2520977), (95, 2122928), (152, 1326830), (190, 1061464), (277, 728080), (304, 663415), (380, 530732), (479, 421040), (554, 364040), (760, 265366), (958, 210520), (1108, 182020), (1385, 145616), (1520, 132683), (1916, 105260), (2216, 91010), (2395, 84208), (2770, 72808), (3832, 52630), (4432, 45505), (4790, 42104), (5263, 38320), (5540, 36404), (7664, 26315), (9101, 22160), (9580, 21052), (10526, 19160), (11080, 18202)]