13685680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 34953120

約数和(自身を除く): 21267440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 347, 464, 493, 580, 680, 694, 986, 1160, 1360, 1388, 1735, 1972, 2320, 2465, 2776, 3470, 3944, 4930, 5552, 5899, 6940, 7888, 9860, 10063, 11798, 13880, 19720, 20126, 23596, 27760, 29495, 39440, 40252, 47192, 50315, 58990, 80504, 94384, 100630, 117980, 161008, 171071, 201260, 235960, 342142, 402520, 471920, 684284, 805040, 855355, 1368568, 1710710, 2737136, 3421420, 6842840, 13685680]

約数ペア:

[(1, 13685680), (2, 6842840), (4, 3421420), (5, 2737136), (8, 1710710), (10, 1368568), (16, 855355), (17, 805040), (20, 684284), (29, 471920), (34, 402520), (40, 342142), (58, 235960), (68, 201260), (80, 171071), (85, 161008), (116, 117980), (136, 100630), (145, 94384), (170, 80504), (232, 58990), (272, 50315), (290, 47192), (340, 40252), (347, 39440), (464, 29495), (493, 27760), (580, 23596), (680, 20126), (694, 19720), (986, 13880), (1160, 11798), (1360, 10063), (1388, 9860), (1735, 7888), (1972, 6940), (2320, 5899), (2465, 5552), (2776, 4930), (3470, 3944)]