128811760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 120

約数和(自身を含む): 376413408

約数和(自身を除く): 247601648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1901, 1936, 2420, 3080, 3388, 3802, 4235, 4840, 6160, 6776, 7604, 8470, 9505, 9680, 13307, 13552, 15208, 16940, 19010, 20911, 26614, 30416, 33880, 38020, 41822, 53228, 66535, 67760, 76040, 83644, 104555, 106456, 133070, 146377, 152080, 167288, 209110, 212912, 230021, 266140, 292754, 334576, 418220, 460042, 532280, 585508, 731885, 836440, 920084, 1064560, 1150105, 1171016, 1463770, 1610147, 1672880, 1840168, 2300210, 2342032, 2927540, 3220294, 3680336, 4600420, 5855080, 6440588, 8050735, 9200840, 11710160, 12881176, 16101470, 18401680, 25762352, 32202940, 64405880, 128811760]

約数ペア:

[(1, 128811760), (2, 64405880), (4, 32202940), (5, 25762352), (7, 18401680), (8, 16101470), (10, 12881176), (11, 11710160), (14, 9200840), (16, 8050735), (20, 6440588), (22, 5855080), (28, 4600420), (35, 3680336), (40, 3220294), (44, 2927540), (55, 2342032), (56, 2300210), (70, 1840168), (77, 1672880), (80, 1610147), (88, 1463770), (110, 1171016), (112, 1150105), (121, 1064560), (140, 920084), (154, 836440), (176, 731885), (220, 585508), (242, 532280), (280, 460042), (308, 418220), (385, 334576), (440, 292754), (484, 266140), (560, 230021), (605, 212912), (616, 209110), (770, 167288), (847, 152080), (880, 146377), (968, 133070), (1210, 106456), (1232, 104555), (1540, 83644), (1694, 76040), (1901, 67760), (1936, 66535), (2420, 53228), (3080, 41822), (3388, 38020), (3802, 33880), (4235, 30416), (4840, 26614), (6160, 20911), (6776, 19010), (7604, 16940), (8470, 15208), (9505, 13552), (9680, 13307)]