28630720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 76260960

約数和(自身を除く): 47630240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 277, 304, 320, 323, 340, 380, 544, 554, 608, 646, 680, 760, 1088, 1108, 1216, 1292, 1360, 1385, 1520, 1615, 2216, 2584, 2720, 2770, 3040, 3230, 4432, 4709, 5168, 5263, 5440, 5540, 6080, 6460, 8864, 9418, 10336, 10526, 11080, 12920, 17728, 18836, 20672, 21052, 22160, 23545, 25840, 26315, 37672, 42104, 44320, 47090, 51680, 52630, 75344, 84208, 88640, 89471, 94180, 103360, 105260, 150688, 168416, 178942, 188360, 210520, 301376, 336832, 357884, 376720, 421040, 447355, 715768, 753440, 842080, 894710, 1431536, 1506880, 1684160, 1789420, 2863072, 3578840, 5726144, 7157680, 14315360, 28630720]

約数ペア:

[(1, 28630720), (2, 14315360), (4, 7157680), (5, 5726144), (8, 3578840), (10, 2863072), (16, 1789420), (17, 1684160), (19, 1506880), (20, 1431536), (32, 894710), (34, 842080), (38, 753440), (40, 715768), (64, 447355), (68, 421040), (76, 376720), (80, 357884), (85, 336832), (95, 301376), (136, 210520), (152, 188360), (160, 178942), (170, 168416), (190, 150688), (272, 105260), (277, 103360), (304, 94180), (320, 89471), (323, 88640), (340, 84208), (380, 75344), (544, 52630), (554, 51680), (608, 47090), (646, 44320), (680, 42104), (760, 37672), (1088, 26315), (1108, 25840), (1216, 23545), (1292, 22160), (1360, 21052), (1385, 20672), (1520, 18836), (1615, 17728), (2216, 12920), (2584, 11080), (2720, 10526), (2770, 10336), (3040, 9418), (3230, 8864), (4432, 6460), (4709, 6080), (5168, 5540), (5263, 5440)]