204735160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 551116800

約数和(自身を除く): 346381640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 103, 124, 140, 155, 206, 217, 229, 248, 280, 310, 412, 434, 458, 515, 620, 721, 824, 868, 916, 1030, 1085, 1145, 1240, 1442, 1603, 1736, 1832, 2060, 2170, 2290, 2884, 3193, 3206, 3605, 4120, 4340, 4580, 5768, 6386, 6412, 7099, 7210, 8015, 8680, 9160, 12772, 12824, 14198, 14420, 15965, 16030, 22351, 23587, 25544, 28396, 28840, 31930, 32060, 35495, 44702, 47174, 49693, 56792, 63860, 64120, 70990, 89404, 94348, 99386, 111755, 117935, 127720, 141980, 165109, 178808, 188696, 198772, 223510, 235870, 248465, 283960, 330218, 397544, 447020, 471740, 496930, 660436, 731197, 825545, 894040, 943480, 993860, 1320872, 1462394, 1651090, 1987720, 2924788, 3302180, 3655985, 5118379, 5849576, 6604360, 7311970, 10236758, 14623940, 20473516, 25591895, 29247880, 40947032, 51183790, 102367580, 204735160]

約数ペア:

[(1, 204735160), (2, 102367580), (4, 51183790), (5, 40947032), (7, 29247880), (8, 25591895), (10, 20473516), (14, 14623940), (20, 10236758), (28, 7311970), (31, 6604360), (35, 5849576), (40, 5118379), (56, 3655985), (62, 3302180), (70, 2924788), (103, 1987720), (124, 1651090), (140, 1462394), (155, 1320872), (206, 993860), (217, 943480), (229, 894040), (248, 825545), (280, 731197), (310, 660436), (412, 496930), (434, 471740), (458, 447020), (515, 397544), (620, 330218), (721, 283960), (824, 248465), (868, 235870), (916, 223510), (1030, 198772), (1085, 188696), (1145, 178808), (1240, 165109), (1442, 141980), (1603, 127720), (1736, 117935), (1832, 111755), (2060, 99386), (2170, 94348), (2290, 89404), (2884, 70990), (3193, 64120), (3206, 63860), (3605, 56792), (4120, 49693), (4340, 47174), (4580, 44702), (5768, 35495), (6386, 32060), (6412, 31930), (7099, 28840), (7210, 28396), (8015, 25544), (8680, 23587), (9160, 22351), (12772, 16030), (12824, 15965), (14198, 14420)]