19321680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 240

約数和(自身を含む): 73281024

約数和(自身を除く): 53959344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 53, 56, 60, 62, 70, 80, 84, 93, 98, 105, 106, 112, 120, 124, 140, 147, 155, 159, 168, 186, 196, 210, 212, 217, 240, 245, 248, 265, 280, 294, 310, 318, 336, 371, 372, 392, 420, 424, 434, 465, 490, 496, 530, 560, 588, 620, 636, 651, 735, 742, 744, 784, 795, 840, 848, 868, 930, 980, 1060, 1085, 1113, 1176, 1240, 1272, 1302, 1470, 1484, 1488, 1519, 1590, 1643, 1680, 1736, 1855, 1860, 1960, 2120, 2170, 2226, 2352, 2480, 2544, 2597, 2604, 2940, 2968, 3038, 3180, 3255, 3286, 3472, 3710, 3720, 3920, 4240, 4340, 4452, 4557, 4929, 5194, 5208, 5565, 5880, 5936, 6076, 6360, 6510, 6572, 7420, 7440, 7595, 7791, 8215, 8680, 8904, 9114, 9858, 10388, 10416, 11130, 11501, 11760, 12152, 12720, 12985, 13020, 13144, 14840, 15190, 15582, 16430, 17360, 17808, 18228, 19716, 20776, 22260, 22785, 23002, 24304, 24645, 25970, 26040, 26288, 29680, 30380, 31164, 32860, 34503, 36456, 38955, 39432, 41552, 44520, 45570, 46004, 49290, 51940, 52080, 57505, 60760, 62328, 65720, 69006, 72912, 77910, 78864, 80507, 89040, 91140, 92008, 98580, 103880, 115010, 121520, 124656, 131440, 138012, 155820, 161014, 172515, 182280, 184016, 197160, 207760, 230020, 241521, 276024, 311640, 322028, 345030, 364560, 394320, 402535, 460040, 483042, 552048, 623280, 644056, 690060, 805070, 920080, 966084, 1207605, 1288112, 1380120, 1610140, 1932168, 2415210, 2760240, 3220280, 3864336, 4830420, 6440560, 9660840, 19321680]

約数ペア:

[(1, 19321680), (2, 9660840), (3, 6440560), (4, 4830420), (5, 3864336), (6, 3220280), (7, 2760240), (8, 2415210), (10, 1932168), (12, 1610140), (14, 1380120), (15, 1288112), (16, 1207605), (20, 966084), (21, 920080), (24, 805070), (28, 690060), (30, 644056), (31, 623280), (35, 552048), (40, 483042), (42, 460040), (48, 402535), (49, 394320), (53, 364560), (56, 345030), (60, 322028), (62, 311640), (70, 276024), (80, 241521), (84, 230020), (93, 207760), (98, 197160), (105, 184016), (106, 182280), (112, 172515), (120, 161014), (124, 155820), (140, 138012), (147, 131440), (155, 124656), (159, 121520), (168, 115010), (186, 103880), (196, 98580), (210, 92008), (212, 91140), (217, 89040), (240, 80507), (245, 78864), (248, 77910), (265, 72912), (280, 69006), (294, 65720), (310, 62328), (318, 60760), (336, 57505), (371, 52080), (372, 51940), (392, 49290), (420, 46004), (424, 45570), (434, 44520), (465, 41552), (490, 39432), (496, 38955), (530, 36456), (560, 34503), (588, 32860), (620, 31164), (636, 30380), (651, 29680), (735, 26288), (742, 26040), (744, 25970), (784, 24645), (795, 24304), (840, 23002), (848, 22785), (868, 22260), (930, 20776), (980, 19716), (1060, 18228), (1085, 17808), (1113, 17360), (1176, 16430), (1240, 15582), (1272, 15190), (1302, 14840), (1470, 13144), (1484, 13020), (1488, 12985), (1519, 12720), (1590, 12152), (1643, 11760), (1680, 11501), (1736, 11130), (1855, 10416), (1860, 10388), (1960, 9858), (2120, 9114), (2170, 8904), (2226, 8680), (2352, 8215), (2480, 7791), (2544, 7595), (2597, 7440), (2604, 7420), (2940, 6572), (2968, 6510), (3038, 6360), (3180, 6076), (3255, 5936), (3286, 5880), (3472, 5565), (3710, 5208), (3720, 5194), (3920, 4929), (4240, 4557), (4340, 4452)]