720197940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{155887}}^1$

素因数の和:155917

約数の個数: 96

約数和(自身を含む): 2514161664

約数和(自身を除く): 1793963724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 155887, 311774, 467661, 623548, 779435, 935322, 1091209, 1558870, 1714757, 1870644, 2182418, 2338305, 3117740, 3273627, 3429514, 4364836, 4676610, 5144271, 5456045, 6547254, 6859028, 8573785, 9353220, 10288542, 10912090, 12003299, 13094508, 16368135, 17147570, 20577084, 21824180, 24006598, 25721355, 32736270, 34295140, 36009897, 48013196, 51442710, 60016495, 65472540, 72019794, 102885420, 120032990, 144039588, 180049485, 240065980, 360098970, 720197940]

約数ペア:

[(1, 720197940), (2, 360098970), (3, 240065980), (4, 180049485), (5, 144039588), (6, 120032990), (7, 102885420), (10, 72019794), (11, 65472540), (12, 60016495), (14, 51442710), (15, 48013196), (20, 36009897), (21, 34295140), (22, 32736270), (28, 25721355), (30, 24006598), (33, 21824180), (35, 20577084), (42, 17147570), (44, 16368135), (55, 13094508), (60, 12003299), (66, 10912090), (70, 10288542), (77, 9353220), (84, 8573785), (105, 6859028), (110, 6547254), (132, 5456045), (140, 5144271), (154, 4676610), (165, 4364836), (210, 3429514), (220, 3273627), (231, 3117740), (308, 2338305), (330, 2182418), (385, 1870644), (420, 1714757), (462, 1558870), (660, 1091209), (770, 935322), (924, 779435), (1155, 623548), (1540, 467661), (2310, 311774), (4620, 155887)]