72418880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:356

約数の個数: 112

約数和(自身を含む): 186415680

約数和(自身を除く): 113996800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 277, 304, 320, 344, 380, 430, 554, 608, 688, 760, 817, 860, 1108, 1216, 1376, 1385, 1520, 1634, 1720, 2216, 2752, 2770, 3040, 3268, 3440, 4085, 4432, 5263, 5540, 6080, 6536, 6880, 8170, 8864, 10526, 11080, 11911, 13072, 13760, 16340, 17728, 21052, 22160, 23822, 26144, 26315, 32680, 42104, 44320, 47644, 52288, 52630, 59555, 65360, 84208, 88640, 95288, 105260, 119110, 130720, 168416, 190576, 210520, 226309, 238220, 261440, 336832, 381152, 421040, 452618, 476440, 762304, 842080, 905236, 952880, 1131545, 1684160, 1810472, 1905760, 2263090, 3620944, 3811520, 4526180, 7241888, 9052360, 14483776, 18104720, 36209440, 72418880]

約数ペア:

[(1, 72418880), (2, 36209440), (4, 18104720), (5, 14483776), (8, 9052360), (10, 7241888), (16, 4526180), (19, 3811520), (20, 3620944), (32, 2263090), (38, 1905760), (40, 1810472), (43, 1684160), (64, 1131545), (76, 952880), (80, 905236), (86, 842080), (95, 762304), (152, 476440), (160, 452618), (172, 421040), (190, 381152), (215, 336832), (277, 261440), (304, 238220), (320, 226309), (344, 210520), (380, 190576), (430, 168416), (554, 130720), (608, 119110), (688, 105260), (760, 95288), (817, 88640), (860, 84208), (1108, 65360), (1216, 59555), (1376, 52630), (1385, 52288), (1520, 47644), (1634, 44320), (1720, 42104), (2216, 32680), (2752, 26315), (2770, 26144), (3040, 23822), (3268, 22160), (3440, 21052), (4085, 17728), (4432, 16340), (5263, 13760), (5540, 13072), (6080, 11911), (6536, 11080), (6880, 10526), (8170, 8864)]