718795980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3187}}^1$

素因数の和:3388

約数の個数: 144

約数和(自身を含む): 2506533120

約数和(自身を除く): 1787737140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 179, 180, 210, 252, 315, 358, 420, 537, 630, 716, 895, 1074, 1253, 1260, 1611, 1790, 2148, 2506, 2685, 3187, 3222, 3580, 3759, 5012, 5370, 6265, 6374, 6444, 7518, 8055, 9561, 10740, 11277, 12530, 12748, 15036, 15935, 16110, 18795, 19122, 22309, 22554, 25060, 28683, 31870, 32220, 37590, 38244, 44618, 45108, 47805, 56385, 57366, 63740, 66927, 75180, 89236, 95610, 111545, 112770, 114732, 133854, 143415, 191220, 200781, 223090, 225540, 267708, 286830, 334635, 401562, 446180, 570473, 573660, 669270, 803124, 1003905, 1140946, 1338540, 1711419, 2007810, 2281892, 2852365, 3422838, 3993311, 4015620, 5134257, 5704730, 6845676, 7986622, 8557095, 10268514, 11409460, 11979933, 15973244, 17114190, 19966555, 20537028, 23959866, 25671285, 34228380, 35939799, 39933110, 47919732, 51342570, 59899665, 71879598, 79866220, 102685140, 119799330, 143759196, 179698995, 239598660, 359397990, 718795980]

約数ペア:

[(1, 718795980), (2, 359397990), (3, 239598660), (4, 179698995), (5, 143759196), (6, 119799330), (7, 102685140), (9, 79866220), (10, 71879598), (12, 59899665), (14, 51342570), (15, 47919732), (18, 39933110), (20, 35939799), (21, 34228380), (28, 25671285), (30, 23959866), (35, 20537028), (36, 19966555), (42, 17114190), (45, 15973244), (60, 11979933), (63, 11409460), (70, 10268514), (84, 8557095), (90, 7986622), (105, 6845676), (126, 5704730), (140, 5134257), (179, 4015620), (180, 3993311), (210, 3422838), (252, 2852365), (315, 2281892), (358, 2007810), (420, 1711419), (537, 1338540), (630, 1140946), (716, 1003905), (895, 803124), (1074, 669270), (1253, 573660), (1260, 570473), (1611, 446180), (1790, 401562), (2148, 334635), (2506, 286830), (2685, 267708), (3187, 225540), (3222, 223090), (3580, 200781), (3759, 191220), (5012, 143415), (5370, 133854), (6265, 114732), (6374, 112770), (6444, 111545), (7518, 95610), (8055, 89236), (9561, 75180), (10740, 66927), (11277, 63740), (12530, 57366), (12748, 56385), (15036, 47805), (15935, 45108), (16110, 44618), (18795, 38244), (19122, 37590), (22309, 32220), (22554, 31870), (25060, 28683)]