131536720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7577}}^1$

素因数の和:7628

約数の個数: 80

約数和(自身を含む): 360834048

約数和(自身を除く): 229297328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7577, 8680, 15154, 17360, 30308, 37885, 53039, 60616, 75770, 106078, 121232, 151540, 212156, 234887, 265195, 303080, 424312, 469774, 530390, 606160, 848624, 939548, 1060780, 1174435, 1644209, 1879096, 2121560, 2348870, 3288418, 3758192, 4243120, 4697740, 6576836, 8221045, 9395480, 13153672, 16442090, 18790960, 26307344, 32884180, 65768360, 131536720]

約数ペア:

[(1, 131536720), (2, 65768360), (4, 32884180), (5, 26307344), (7, 18790960), (8, 16442090), (10, 13153672), (14, 9395480), (16, 8221045), (20, 6576836), (28, 4697740), (31, 4243120), (35, 3758192), (40, 3288418), (56, 2348870), (62, 2121560), (70, 1879096), (80, 1644209), (112, 1174435), (124, 1060780), (140, 939548), (155, 848624), (217, 606160), (248, 530390), (280, 469774), (310, 424312), (434, 303080), (496, 265195), (560, 234887), (620, 212156), (868, 151540), (1085, 121232), (1240, 106078), (1736, 75770), (2170, 60616), (2480, 53039), (3472, 37885), (4340, 30308), (7577, 17360), (8680, 15154)]