28879680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:536

約数の個数: 112

約数和(自身を含む): 93268800

約数和(自身を除く): 64389120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 134, 160, 192, 201, 240, 268, 320, 335, 402, 449, 480, 536, 670, 804, 898, 960, 1005, 1072, 1340, 1347, 1608, 1796, 2010, 2144, 2245, 2680, 2694, 3216, 3592, 4020, 4288, 4490, 5360, 5388, 6432, 6735, 7184, 8040, 8980, 10720, 10776, 12864, 13470, 14368, 16080, 17960, 21440, 21552, 26940, 28736, 30083, 32160, 35920, 43104, 53880, 60166, 64320, 71840, 86208, 90249, 107760, 120332, 143680, 150415, 180498, 215520, 240664, 300830, 360996, 431040, 451245, 481328, 601660, 721992, 902490, 962656, 1203320, 1443984, 1804980, 1925312, 2406640, 2887968, 3609960, 4813280, 5775936, 7219920, 9626560, 14439840, 28879680]

約数ペア:

[(1, 28879680), (2, 14439840), (3, 9626560), (4, 7219920), (5, 5775936), (6, 4813280), (8, 3609960), (10, 2887968), (12, 2406640), (15, 1925312), (16, 1804980), (20, 1443984), (24, 1203320), (30, 962656), (32, 902490), (40, 721992), (48, 601660), (60, 481328), (64, 451245), (67, 431040), (80, 360996), (96, 300830), (120, 240664), (134, 215520), (160, 180498), (192, 150415), (201, 143680), (240, 120332), (268, 107760), (320, 90249), (335, 86208), (402, 71840), (449, 64320), (480, 60166), (536, 53880), (670, 43104), (804, 35920), (898, 32160), (960, 30083), (1005, 28736), (1072, 26940), (1340, 21552), (1347, 21440), (1608, 17960), (1796, 16080), (2010, 14368), (2144, 13470), (2245, 12864), (2680, 10776), (2694, 10720), (3216, 8980), (3592, 8040), (4020, 7184), (4288, 6735), (4490, 6432), (5360, 5388)]