21196806720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{463}}^2$

素因数の和:1049

約数の個数: 168

約数和(自身を含む): 68100342336

約数和(自身を除く): 46903535616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 206, 240, 309, 320, 412, 463, 480, 515, 618, 824, 926, 960, 1030, 1236, 1389, 1545, 1648, 1852, 2060, 2315, 2472, 2778, 3090, 3296, 3704, 4120, 4630, 4944, 5556, 6180, 6592, 6945, 7408, 8240, 9260, 9888, 11112, 12360, 13890, 14816, 16480, 18520, 19776, 22224, 24720, 27780, 29632, 32960, 37040, 44448, 47689, 49440, 55560, 74080, 88896, 95378, 98880, 111120, 143067, 148160, 190756, 214369, 222240, 238445, 286134, 381512, 428738, 444480, 476890, 572268, 643107, 715335, 763024, 857476, 953780, 1071845, 1144536, 1286214, 1430670, 1526048, 1714952, 1907560, 2143690, 2289072, 2572428, 2861340, 3052096, 3215535, 3429904, 3815120, 4287380, 4578144, 5144856, 5722680, 6431070, 6859808, 7630240, 8574760, 9156288, 10289712, 11445360, 12862140, 13719616, 15260480, 17149520, 20579424, 22080007, 22890720, 25724280, 34299040, 41158848, 44160014, 45781440, 51448560, 66240021, 68598080, 88320028, 102897120, 110400035, 132480042, 176640056, 205794240, 220800070, 264960084, 331200105, 353280112, 441600140, 529920168, 662400210, 706560224, 883200280, 1059840336, 1324800420, 1413120448, 1766400560, 2119680672, 2649600840, 3532801120, 4239361344, 5299201680, 7065602240, 10598403360, 21196806720]

約数ペア:

[(1, 21196806720), (2, 10598403360), (3, 7065602240), (4, 5299201680), (5, 4239361344), (6, 3532801120), (8, 2649600840), (10, 2119680672), (12, 1766400560), (15, 1413120448), (16, 1324800420), (20, 1059840336), (24, 883200280), (30, 706560224), (32, 662400210), (40, 529920168), (48, 441600140), (60, 353280112), (64, 331200105), (80, 264960084), (96, 220800070), (103, 205794240), (120, 176640056), (160, 132480042), (192, 110400035), (206, 102897120), (240, 88320028), (309, 68598080), (320, 66240021), (412, 51448560), (463, 45781440), (480, 44160014), (515, 41158848), (618, 34299040), (824, 25724280), (926, 22890720), (960, 22080007), (1030, 20579424), (1236, 17149520), (1389, 15260480), (1545, 13719616), (1648, 12862140), (1852, 11445360), (2060, 10289712), (2315, 9156288), (2472, 8574760), (2778, 7630240), (3090, 6859808), (3296, 6431070), (3704, 5722680), (4120, 5144856), (4630, 4578144), (4944, 4287380), (5556, 3815120), (6180, 3429904), (6592, 3215535), (6945, 3052096), (7408, 2861340), (8240, 2572428), (9260, 2289072), (9888, 2143690), (11112, 1907560), (12360, 1714952), (13890, 1526048), (14816, 1430670), (16480, 1286214), (18520, 1144536), (19776, 1071845), (22224, 953780), (24720, 857476), (27780, 763024), (29632, 715335), (32960, 643107), (37040, 572268), (44448, 476890), (47689, 444480), (49440, 428738), (55560, 381512), (74080, 286134), (88896, 238445), (95378, 222240), (98880, 214369), (111120, 190756), (143067, 148160)]