208042020

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:797

約数の個数: 168

約数和(自身を含む): 690426240

約数和(自身を除く): 482384220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 729, 751, 810, 855, 972, 1026, 1140, 1215, 1458, 1502, 1539, 1620, 1710, 2052, 2253, 2430, 2565, 2916, 3004, 3078, 3420, 3645, 3755, 4506, 4617, 4860, 5130, 6156, 6759, 7290, 7510, 7695, 9012, 9234, 10260, 11265, 13518, 13851, 14269, 14580, 15020, 15390, 18468, 20277, 22530, 23085, 27036, 27702, 28538, 30780, 33795, 40554, 42807, 45060, 46170, 55404, 57076, 60831, 67590, 69255, 71345, 81108, 85614, 92340, 101385, 121662, 128421, 135180, 138510, 142690, 171228, 182493, 202770, 214035, 243324, 256842, 277020, 285380, 304155, 364986, 385263, 405540, 428070, 513684, 547479, 608310, 642105, 729972, 770526, 856140, 912465, 1094958, 1155789, 1216620, 1284210, 1541052, 1824930, 1926315, 2189916, 2311578, 2568420, 2737395, 3467367, 3649860, 3852630, 4623156, 5474790, 5778945, 6934734, 7705260, 10402101, 10949580, 11557890, 13869468, 17336835, 20804202, 23115780, 34673670, 41608404, 52010505, 69347340, 104021010, 208042020]

約数ペア:

[(1, 208042020), (2, 104021010), (3, 69347340), (4, 52010505), (5, 41608404), (6, 34673670), (9, 23115780), (10, 20804202), (12, 17336835), (15, 13869468), (18, 11557890), (19, 10949580), (20, 10402101), (27, 7705260), (30, 6934734), (36, 5778945), (38, 5474790), (45, 4623156), (54, 3852630), (57, 3649860), (60, 3467367), (76, 2737395), (81, 2568420), (90, 2311578), (95, 2189916), (108, 1926315), (114, 1824930), (135, 1541052), (162, 1284210), (171, 1216620), (180, 1155789), (190, 1094958), (228, 912465), (243, 856140), (270, 770526), (285, 729972), (324, 642105), (342, 608310), (380, 547479), (405, 513684), (486, 428070), (513, 405540), (540, 385263), (570, 364986), (684, 304155), (729, 285380), (751, 277020), (810, 256842), (855, 243324), (972, 214035), (1026, 202770), (1140, 182493), (1215, 171228), (1458, 142690), (1502, 138510), (1539, 135180), (1620, 128421), (1710, 121662), (2052, 101385), (2253, 92340), (2430, 85614), (2565, 81108), (2916, 71345), (3004, 69255), (3078, 67590), (3420, 60831), (3645, 57076), (3755, 55404), (4506, 46170), (4617, 45060), (4860, 42807), (5130, 40554), (6156, 33795), (6759, 30780), (7290, 28538), (7510, 27702), (7695, 27036), (9012, 23085), (9234, 22530), (10260, 20277), (11265, 18468), (13518, 15390), (13851, 15020), (14269, 14580)]