7271680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 20603520

約数和(自身を除く): 13331840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 32, 38, 40, 46, 52, 64, 65, 76, 80, 92, 95, 104, 115, 128, 130, 152, 160, 184, 190, 208, 230, 247, 256, 260, 299, 304, 320, 368, 380, 416, 437, 460, 494, 520, 598, 608, 640, 736, 760, 832, 874, 920, 988, 1040, 1196, 1216, 1235, 1280, 1472, 1495, 1520, 1664, 1748, 1840, 1976, 2080, 2185, 2392, 2432, 2470, 2944, 2990, 3040, 3328, 3496, 3680, 3952, 4160, 4370, 4784, 4864, 4940, 5681, 5888, 5980, 6080, 6992, 7360, 7904, 8320, 8740, 9568, 9880, 11362, 11960, 12160, 13984, 14720, 15808, 16640, 17480, 19136, 19760, 22724, 23920, 24320, 27968, 28405, 29440, 31616, 34960, 38272, 39520, 45448, 47840, 55936, 56810, 63232, 69920, 76544, 79040, 90896, 95680, 111872, 113620, 139840, 158080, 181792, 191360, 227240, 279680, 316160, 363584, 382720, 454480, 559360, 727168, 908960, 1454336, 1817920, 3635840, 7271680]

約数ペア:

[(1, 7271680), (2, 3635840), (4, 1817920), (5, 1454336), (8, 908960), (10, 727168), (13, 559360), (16, 454480), (19, 382720), (20, 363584), (23, 316160), (26, 279680), (32, 227240), (38, 191360), (40, 181792), (46, 158080), (52, 139840), (64, 113620), (65, 111872), (76, 95680), (80, 90896), (92, 79040), (95, 76544), (104, 69920), (115, 63232), (128, 56810), (130, 55936), (152, 47840), (160, 45448), (184, 39520), (190, 38272), (208, 34960), (230, 31616), (247, 29440), (256, 28405), (260, 27968), (299, 24320), (304, 23920), (320, 22724), (368, 19760), (380, 19136), (416, 17480), (437, 16640), (460, 15808), (494, 14720), (520, 13984), (598, 12160), (608, 11960), (640, 11362), (736, 9880), (760, 9568), (832, 8740), (874, 8320), (920, 7904), (988, 7360), (1040, 6992), (1196, 6080), (1216, 5980), (1235, 5888), (1280, 5681), (1472, 4940), (1495, 4864), (1520, 4784), (1664, 4370), (1748, 4160), (1840, 3952), (1976, 3680), (2080, 3496), (2185, 3328), (2392, 3040), (2432, 2990), (2470, 2944)]