123290720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 355332096

約数和(自身を除く): 232041376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 53, 56, 62, 67, 70, 80, 106, 112, 124, 134, 140, 155, 160, 212, 217, 224, 248, 265, 268, 280, 310, 335, 371, 424, 434, 469, 496, 530, 536, 560, 620, 670, 742, 848, 868, 938, 992, 1060, 1072, 1085, 1120, 1240, 1340, 1484, 1643, 1696, 1736, 1855, 1876, 2077, 2120, 2144, 2170, 2345, 2480, 2680, 2968, 3286, 3472, 3551, 3710, 3752, 4154, 4240, 4340, 4690, 4960, 5360, 5936, 6572, 6944, 7102, 7420, 7504, 8215, 8308, 8480, 8680, 9380, 10385, 10720, 11501, 11872, 13144, 14204, 14539, 14840, 15008, 16430, 16616, 17360, 17755, 18760, 20770, 23002, 24857, 26288, 28408, 29078, 29680, 32860, 33232, 34720, 35510, 37520, 41540, 46004, 49714, 52576, 56816, 57505, 58156, 59360, 65720, 66464, 71020, 72695, 75040, 83080, 92008, 99428, 110081, 113632, 115010, 116312, 124285, 131440, 142040, 145390, 166160, 184016, 198856, 220162, 230020, 232624, 248570, 262880, 284080, 290780, 332320, 368032, 397712, 440324, 460040, 465248, 497140, 550405, 568160, 581560, 770567, 795424, 880648, 920080, 994280, 1100810, 1163120, 1541134, 1761296, 1840160, 1988560, 2201620, 2326240, 3082268, 3522592, 3852835, 3977120, 4403240, 6164536, 7705670, 8806480, 12329072, 15411340, 17612960, 24658144, 30822680, 61645360, 123290720]

約数ペア:

[(1, 123290720), (2, 61645360), (4, 30822680), (5, 24658144), (7, 17612960), (8, 15411340), (10, 12329072), (14, 8806480), (16, 7705670), (20, 6164536), (28, 4403240), (31, 3977120), (32, 3852835), (35, 3522592), (40, 3082268), (53, 2326240), (56, 2201620), (62, 1988560), (67, 1840160), (70, 1761296), (80, 1541134), (106, 1163120), (112, 1100810), (124, 994280), (134, 920080), (140, 880648), (155, 795424), (160, 770567), (212, 581560), (217, 568160), (224, 550405), (248, 497140), (265, 465248), (268, 460040), (280, 440324), (310, 397712), (335, 368032), (371, 332320), (424, 290780), (434, 284080), (469, 262880), (496, 248570), (530, 232624), (536, 230020), (560, 220162), (620, 198856), (670, 184016), (742, 166160), (848, 145390), (868, 142040), (938, 131440), (992, 124285), (1060, 116312), (1072, 115010), (1085, 113632), (1120, 110081), (1240, 99428), (1340, 92008), (1484, 83080), (1643, 75040), (1696, 72695), (1736, 71020), (1855, 66464), (1876, 65720), (2077, 59360), (2120, 58156), (2144, 57505), (2170, 56816), (2345, 52576), (2480, 49714), (2680, 46004), (2968, 41540), (3286, 37520), (3472, 35510), (3551, 34720), (3710, 33232), (3752, 32860), (4154, 29680), (4240, 29078), (4340, 28408), (4690, 26288), (4960, 24857), (5360, 23002), (5936, 20770), (6572, 18760), (6944, 17755), (7102, 17360), (7420, 16616), (7504, 16430), (8215, 15008), (8308, 14840), (8480, 14539), (8680, 14204), (9380, 13144), (10385, 11872), (10720, 11501)]