80407620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 192

約数和(自身を含む): 279417600

約数和(自身を除く): 199009980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 340, 342, 380, 459, 461, 510, 513, 540, 570, 612, 646, 684, 765, 855, 918, 922, 969, 1020, 1026, 1140, 1292, 1383, 1530, 1615, 1710, 1836, 1844, 1938, 2052, 2295, 2305, 2565, 2766, 2907, 3060, 3230, 3420, 3876, 4149, 4590, 4610, 4845, 5130, 5532, 5814, 6460, 6915, 7837, 8298, 8721, 8759, 9180, 9220, 9690, 10260, 11628, 12447, 13830, 14535, 15674, 16596, 17442, 17518, 19380, 20745, 23511, 24894, 26277, 27660, 29070, 31348, 34884, 35036, 39185, 41490, 43605, 43795, 47022, 49788, 52554, 58140, 62235, 70533, 78370, 78831, 82980, 87210, 87590, 94044, 105108, 117555, 124470, 131385, 141066, 148903, 156740, 157662, 174420, 175180, 211599, 235110, 236493, 248940, 262770, 282132, 297806, 315324, 352665, 394155, 423198, 446709, 470220, 472986, 525540, 595612, 705330, 744515, 788310, 846396, 893418, 945972, 1057995, 1182465, 1340127, 1410660, 1489030, 1576620, 1786836, 2115990, 2233545, 2364930, 2680254, 2978060, 4020381, 4231980, 4467090, 4729860, 5360508, 6700635, 8040762, 8934180, 13401270, 16081524, 20101905, 26802540, 40203810, 80407620]

約数ペア:

[(1, 80407620), (2, 40203810), (3, 26802540), (4, 20101905), (5, 16081524), (6, 13401270), (9, 8934180), (10, 8040762), (12, 6700635), (15, 5360508), (17, 4729860), (18, 4467090), (19, 4231980), (20, 4020381), (27, 2978060), (30, 2680254), (34, 2364930), (36, 2233545), (38, 2115990), (45, 1786836), (51, 1576620), (54, 1489030), (57, 1410660), (60, 1340127), (68, 1182465), (76, 1057995), (85, 945972), (90, 893418), (95, 846396), (102, 788310), (108, 744515), (114, 705330), (135, 595612), (153, 525540), (170, 472986), (171, 470220), (180, 446709), (190, 423198), (204, 394155), (228, 352665), (255, 315324), (270, 297806), (285, 282132), (306, 262770), (323, 248940), (340, 236493), (342, 235110), (380, 211599), (459, 175180), (461, 174420), (510, 157662), (513, 156740), (540, 148903), (570, 141066), (612, 131385), (646, 124470), (684, 117555), (765, 105108), (855, 94044), (918, 87590), (922, 87210), (969, 82980), (1020, 78831), (1026, 78370), (1140, 70533), (1292, 62235), (1383, 58140), (1530, 52554), (1615, 49788), (1710, 47022), (1836, 43795), (1844, 43605), (1938, 41490), (2052, 39185), (2295, 35036), (2305, 34884), (2565, 31348), (2766, 29070), (2907, 27660), (3060, 26277), (3230, 24894), (3420, 23511), (3876, 20745), (4149, 19380), (4590, 17518), (4610, 17442), (4845, 16596), (5130, 15674), (5532, 14535), (5814, 13830), (6460, 12447), (6915, 11628), (7837, 10260), (8298, 9690), (8721, 9220), (8759, 9180)]