169540280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1069

約数の個数: 128

約数和(自身を含む): 479969280

約数和(自身を除く): 310429000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 91, 94, 104, 130, 140, 182, 188, 235, 260, 280, 329, 364, 376, 455, 470, 520, 611, 658, 728, 910, 940, 991, 1222, 1316, 1645, 1820, 1880, 1982, 2444, 2632, 3055, 3290, 3640, 3964, 4277, 4888, 4955, 6110, 6580, 6937, 7928, 8554, 9910, 12220, 12883, 13160, 13874, 17108, 19820, 21385, 24440, 25766, 27748, 34216, 34685, 39640, 42770, 46577, 51532, 55496, 64415, 69370, 85540, 90181, 93154, 103064, 128830, 138740, 171080, 180362, 186308, 232885, 257660, 277480, 326039, 360724, 372616, 450905, 465770, 515320, 605501, 652078, 721448, 901810, 931540, 1211002, 1304156, 1630195, 1803620, 1863080, 2422004, 2608312, 3027505, 3260390, 3607240, 4238507, 4844008, 6055010, 6520780, 8477014, 12110020, 13041560, 16954028, 21192535, 24220040, 33908056, 42385070, 84770140, 169540280]

約数ペア:

[(1, 169540280), (2, 84770140), (4, 42385070), (5, 33908056), (7, 24220040), (8, 21192535), (10, 16954028), (13, 13041560), (14, 12110020), (20, 8477014), (26, 6520780), (28, 6055010), (35, 4844008), (40, 4238507), (47, 3607240), (52, 3260390), (56, 3027505), (65, 2608312), (70, 2422004), (91, 1863080), (94, 1803620), (104, 1630195), (130, 1304156), (140, 1211002), (182, 931540), (188, 901810), (235, 721448), (260, 652078), (280, 605501), (329, 515320), (364, 465770), (376, 450905), (455, 372616), (470, 360724), (520, 326039), (611, 277480), (658, 257660), (728, 232885), (910, 186308), (940, 180362), (991, 171080), (1222, 138740), (1316, 128830), (1645, 103064), (1820, 93154), (1880, 90181), (1982, 85540), (2444, 69370), (2632, 64415), (3055, 55496), (3290, 51532), (3640, 46577), (3964, 42770), (4277, 39640), (4888, 34685), (4955, 34216), (6110, 27748), (6580, 25766), (6937, 24440), (7928, 21385), (8554, 19820), (9910, 17108), (12220, 13874), (12883, 13160)]