206563140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2402

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 519922620

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, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2309, 2485, 2556, 2982, 3195, 4260, 4473, 4618, 4970, 5964, 6390, 6927, 7455, 8946, 9236, 9940, 11545, 12780, 13854, 14910, 16163, 17892, 20781, 22365, 23090, 27708, 29820, 32326, 34635, 41562, 44730, 46180, 48489, 64652, 69270, 80815, 83124, 89460, 96978, 103905, 138540, 145467, 161630, 163939, 193956, 207810, 242445, 290934, 323260, 327878, 415620, 484890, 491817, 581868, 655756, 727335, 819695, 969780, 983634, 1147573, 1454670, 1475451, 1639390, 1967268, 2295146, 2459085, 2909340, 2950902, 3278780, 3442719, 4590292, 4918170, 5737865, 5901804, 6885438, 7377255, 9836340, 10328157, 11475730, 13770876, 14754510, 17213595, 20656314, 22951460, 29509020, 34427190, 41312628, 51640785, 68854380, 103281570, 206563140]

約数ペア:

[(1, 206563140), (2, 103281570), (3, 68854380), (4, 51640785), (5, 41312628), (6, 34427190), (7, 29509020), (9, 22951460), (10, 20656314), (12, 17213595), (14, 14754510), (15, 13770876), (18, 11475730), (20, 10328157), (21, 9836340), (28, 7377255), (30, 6885438), (35, 5901804), (36, 5737865), (42, 4918170), (45, 4590292), (60, 3442719), (63, 3278780), (70, 2950902), (71, 2909340), (84, 2459085), (90, 2295146), (105, 1967268), (126, 1639390), (140, 1475451), (142, 1454670), (180, 1147573), (210, 983634), (213, 969780), (252, 819695), (284, 727335), (315, 655756), (355, 581868), (420, 491817), (426, 484890), (497, 415620), (630, 327878), (639, 323260), (710, 290934), (852, 242445), (994, 207810), (1065, 193956), (1260, 163939), (1278, 161630), (1420, 145467), (1491, 138540), (1988, 103905), (2130, 96978), (2309, 89460), (2485, 83124), (2556, 80815), (2982, 69270), (3195, 64652), (4260, 48489), (4473, 46180), (4618, 44730), (4970, 41562), (5964, 34635), (6390, 32326), (6927, 29820), (7455, 27708), (8946, 23090), (9236, 22365), (9940, 20781), (11545, 17892), (12780, 16163), (13854, 14910)]