7157680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 18614880

約数和(自身を除く): 11457200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 277, 304, 323, 340, 380, 554, 646, 680, 760, 1108, 1292, 1360, 1385, 1520, 1615, 2216, 2584, 2770, 3230, 4432, 4709, 5168, 5263, 5540, 6460, 9418, 10526, 11080, 12920, 18836, 21052, 22160, 23545, 25840, 26315, 37672, 42104, 47090, 52630, 75344, 84208, 89471, 94180, 105260, 178942, 188360, 210520, 357884, 376720, 421040, 447355, 715768, 894710, 1431536, 1789420, 3578840, 7157680]

約数ペア:

[(1, 7157680), (2, 3578840), (4, 1789420), (5, 1431536), (8, 894710), (10, 715768), (16, 447355), (17, 421040), (19, 376720), (20, 357884), (34, 210520), (38, 188360), (40, 178942), (68, 105260), (76, 94180), (80, 89471), (85, 84208), (95, 75344), (136, 52630), (152, 47090), (170, 42104), (190, 37672), (272, 26315), (277, 25840), (304, 23545), (323, 22160), (340, 21052), (380, 18836), (554, 12920), (646, 11080), (680, 10526), (760, 9418), (1108, 6460), (1292, 5540), (1360, 5263), (1385, 5168), (1520, 4709), (1615, 4432), (2216, 3230), (2584, 2770)]