6440560

素因数分解:

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

素因数の和:111

約数の個数: 120

約数和(自身を含む): 18320256

約数和(自身を除く): 11879696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 53, 56, 62, 70, 80, 98, 106, 112, 124, 140, 155, 196, 212, 217, 245, 248, 265, 280, 310, 371, 392, 424, 434, 490, 496, 530, 560, 620, 742, 784, 848, 868, 980, 1060, 1085, 1240, 1484, 1519, 1643, 1736, 1855, 1960, 2120, 2170, 2480, 2597, 2968, 3038, 3286, 3472, 3710, 3920, 4240, 4340, 5194, 5936, 6076, 6572, 7420, 7595, 8215, 8680, 10388, 11501, 12152, 12985, 13144, 14840, 15190, 16430, 17360, 20776, 23002, 24304, 25970, 26288, 29680, 30380, 32860, 41552, 46004, 51940, 57505, 60760, 65720, 80507, 92008, 103880, 115010, 121520, 131440, 161014, 184016, 207760, 230020, 322028, 402535, 460040, 644056, 805070, 920080, 1288112, 1610140, 3220280, 6440560]

約数ペア:

[(1, 6440560), (2, 3220280), (4, 1610140), (5, 1288112), (7, 920080), (8, 805070), (10, 644056), (14, 460040), (16, 402535), (20, 322028), (28, 230020), (31, 207760), (35, 184016), (40, 161014), (49, 131440), (53, 121520), (56, 115010), (62, 103880), (70, 92008), (80, 80507), (98, 65720), (106, 60760), (112, 57505), (124, 51940), (140, 46004), (155, 41552), (196, 32860), (212, 30380), (217, 29680), (245, 26288), (248, 25970), (265, 24304), (280, 23002), (310, 20776), (371, 17360), (392, 16430), (424, 15190), (434, 14840), (490, 13144), (496, 12985), (530, 12152), (560, 11501), (620, 10388), (742, 8680), (784, 8215), (848, 7595), (868, 7420), (980, 6572), (1060, 6076), (1085, 5936), (1240, 5194), (1484, 4340), (1519, 4240), (1643, 3920), (1736, 3710), (1855, 3472), (1960, 3286), (2120, 3038), (2170, 2968), (2480, 2597)]