272640280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5791}}^1$

素因数の和:5920

約数の個数: 64

約数和(自身を含む): 675578880

約数和(自身を除く): 402938600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 2140, 2354, 4280, 4708, 5791, 5885, 9416, 11582, 11770, 23164, 23540, 28955, 46328, 47080, 57910, 63701, 115820, 127402, 231640, 254804, 318505, 509608, 619637, 637010, 1239274, 1274020, 2478548, 2548040, 3098185, 4957096, 6196370, 6816007, 12392740, 13632014, 24785480, 27264028, 34080035, 54528056, 68160070, 136320140, 272640280]

約数ペア:

[(1, 272640280), (2, 136320140), (4, 68160070), (5, 54528056), (8, 34080035), (10, 27264028), (11, 24785480), (20, 13632014), (22, 12392740), (40, 6816007), (44, 6196370), (55, 4957096), (88, 3098185), (107, 2548040), (110, 2478548), (214, 1274020), (220, 1239274), (428, 637010), (440, 619637), (535, 509608), (856, 318505), (1070, 254804), (1177, 231640), (2140, 127402), (2354, 115820), (4280, 63701), (4708, 57910), (5791, 47080), (5885, 46328), (9416, 28955), (11582, 23540), (11770, 23164)]