201680220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{761}}^1$

素因数の和:1411

約数の個数: 96

約数和(自身を含む): 647248896

約数和(自身を除く): 445568676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 631, 761, 1262, 1522, 1893, 2283, 2524, 3044, 3155, 3786, 3805, 4417, 4566, 5327, 6310, 7572, 7610, 8834, 9132, 9465, 10654, 11415, 12620, 13251, 15220, 15981, 17668, 18930, 21308, 22085, 22830, 26502, 26635, 31962, 37860, 44170, 45660, 53004, 53270, 63924, 66255, 79905, 88340, 106540, 132510, 159810, 265020, 319620, 480191, 960382, 1440573, 1920764, 2400955, 2881146, 3361337, 4801910, 5762292, 6722674, 7202865, 9603820, 10084011, 13445348, 14405730, 16806685, 20168022, 28811460, 33613370, 40336044, 50420055, 67226740, 100840110, 201680220]

約数ペア:

[(1, 201680220), (2, 100840110), (3, 67226740), (4, 50420055), (5, 40336044), (6, 33613370), (7, 28811460), (10, 20168022), (12, 16806685), (14, 14405730), (15, 13445348), (20, 10084011), (21, 9603820), (28, 7202865), (30, 6722674), (35, 5762292), (42, 4801910), (60, 3361337), (70, 2881146), (84, 2400955), (105, 1920764), (140, 1440573), (210, 960382), (420, 480191), (631, 319620), (761, 265020), (1262, 159810), (1522, 132510), (1893, 106540), (2283, 88340), (2524, 79905), (3044, 66255), (3155, 63924), (3786, 53270), (3805, 53004), (4417, 45660), (4566, 44170), (5327, 37860), (6310, 31962), (7572, 26635), (7610, 26502), (8834, 22830), (9132, 22085), (9465, 21308), (10654, 18930), (11415, 17668), (12620, 15981), (13251, 15220)]