210980340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2447}}^1$

素因数の和:2941

約数の個数: 72

約数和(自身を含む): 641571840

約数和(自身を除く): 430591500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1916, 2395, 2447, 2874, 4311, 4790, 4894, 5748, 7185, 7341, 8622, 9580, 9788, 12235, 14370, 14682, 17244, 21555, 22023, 24470, 28740, 29364, 36705, 43110, 44046, 48940, 73410, 86220, 88092, 110115, 146820, 220230, 440460, 1172113, 2344226, 3516339, 4688452, 5860565, 7032678, 10549017, 11721130, 14065356, 17581695, 21098034, 23442260, 35163390, 42196068, 52745085, 70326780, 105490170, 210980340]

約数ペア:

[(1, 210980340), (2, 105490170), (3, 70326780), (4, 52745085), (5, 42196068), (6, 35163390), (9, 23442260), (10, 21098034), (12, 17581695), (15, 14065356), (18, 11721130), (20, 10549017), (30, 7032678), (36, 5860565), (45, 4688452), (60, 3516339), (90, 2344226), (180, 1172113), (479, 440460), (958, 220230), (1437, 146820), (1916, 110115), (2395, 88092), (2447, 86220), (2874, 73410), (4311, 48940), (4790, 44046), (4894, 43110), (5748, 36705), (7185, 29364), (7341, 28740), (8622, 24470), (9580, 22023), (9788, 21555), (12235, 17244), (14370, 14682)]