247920420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12953}}^1$

素因数の和:13005

約数の個数: 96

約数和(自身を含む): 783457920

約数和(自身を除く): 535537500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1276, 1595, 1740, 1914, 3190, 3828, 4785, 6380, 9570, 12953, 19140, 25906, 38859, 51812, 64765, 77718, 129530, 142483, 155436, 194295, 259060, 284966, 375637, 388590, 427449, 569932, 712415, 751274, 777180, 854898, 1126911, 1424830, 1502548, 1709796, 1878185, 2137245, 2253822, 2849660, 3756370, 4132007, 4274490, 4507644, 5634555, 7512740, 8264014, 8548980, 11269110, 12396021, 16528028, 20660035, 22538220, 24792042, 41320070, 49584084, 61980105, 82640140, 123960210, 247920420]

約数ペア:

[(1, 247920420), (2, 123960210), (3, 82640140), (4, 61980105), (5, 49584084), (6, 41320070), (10, 24792042), (11, 22538220), (12, 20660035), (15, 16528028), (20, 12396021), (22, 11269110), (29, 8548980), (30, 8264014), (33, 7512740), (44, 5634555), (55, 4507644), (58, 4274490), (60, 4132007), (66, 3756370), (87, 2849660), (110, 2253822), (116, 2137245), (132, 1878185), (145, 1709796), (165, 1502548), (174, 1424830), (220, 1126911), (290, 854898), (319, 777180), (330, 751274), (348, 712415), (435, 569932), (580, 427449), (638, 388590), (660, 375637), (870, 284966), (957, 259060), (1276, 194295), (1595, 155436), (1740, 142483), (1914, 129530), (3190, 77718), (3828, 64765), (4785, 51812), (6380, 38859), (9570, 25906), (12953, 19140)]