8458380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{137}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 30139200

約数和(自身を除く): 21680820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 137, 140, 147, 180, 196, 210, 245, 252, 274, 294, 315, 343, 411, 420, 441, 490, 548, 588, 630, 685, 686, 735, 822, 882, 959, 980, 1029, 1233, 1260, 1370, 1372, 1470, 1644, 1715, 1764, 1918, 2055, 2058, 2205, 2466, 2740, 2877, 2940, 3087, 3430, 3836, 4110, 4116, 4410, 4795, 4932, 5145, 5754, 6165, 6174, 6713, 6860, 8220, 8631, 8820, 9590, 10290, 11508, 12330, 12348, 13426, 14385, 15435, 17262, 19180, 20139, 20580, 24660, 26852, 28770, 30870, 33565, 34524, 40278, 43155, 46991, 57540, 60417, 61740, 67130, 80556, 86310, 93982, 100695, 120834, 134260, 140973, 172620, 187964, 201390, 234955, 241668, 281946, 302085, 402780, 422919, 469910, 563892, 604170, 704865, 845838, 939820, 1208340, 1409730, 1691676, 2114595, 2819460, 4229190, 8458380]

約数ペア:

[(1, 8458380), (2, 4229190), (3, 2819460), (4, 2114595), (5, 1691676), (6, 1409730), (7, 1208340), (9, 939820), (10, 845838), (12, 704865), (14, 604170), (15, 563892), (18, 469910), (20, 422919), (21, 402780), (28, 302085), (30, 281946), (35, 241668), (36, 234955), (42, 201390), (45, 187964), (49, 172620), (60, 140973), (63, 134260), (70, 120834), (84, 100695), (90, 93982), (98, 86310), (105, 80556), (126, 67130), (137, 61740), (140, 60417), (147, 57540), (180, 46991), (196, 43155), (210, 40278), (245, 34524), (252, 33565), (274, 30870), (294, 28770), (315, 26852), (343, 24660), (411, 20580), (420, 20139), (441, 19180), (490, 17262), (548, 15435), (588, 14385), (630, 13426), (685, 12348), (686, 12330), (735, 11508), (822, 10290), (882, 9590), (959, 8820), (980, 8631), (1029, 8220), (1233, 6860), (1260, 6713), (1370, 6174), (1372, 6165), (1470, 5754), (1644, 5145), (1715, 4932), (1764, 4795), (1918, 4410), (2055, 4116), (2058, 4110), (2205, 3836), (2466, 3430), (2740, 3087), (2877, 2940)]