64891920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2129}}^1$

素因数の和:2272

約数の個数: 80

約数和(自身を含む): 202844160

約数和(自身を除く): 137952240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2129, 2540, 3048, 3810, 4258, 5080, 6096, 6387, 7620, 8516, 10160, 10645, 12774, 15240, 17032, 21290, 25548, 30480, 31935, 34064, 42580, 51096, 63870, 85160, 102192, 127740, 170320, 255480, 270383, 510960, 540766, 811149, 1081532, 1351915, 1622298, 2163064, 2703830, 3244596, 4055745, 4326128, 5407660, 6489192, 8111490, 10815320, 12978384, 16222980, 21630640, 32445960, 64891920]

約数ペア:

[(1, 64891920), (2, 32445960), (3, 21630640), (4, 16222980), (5, 12978384), (6, 10815320), (8, 8111490), (10, 6489192), (12, 5407660), (15, 4326128), (16, 4055745), (20, 3244596), (24, 2703830), (30, 2163064), (40, 1622298), (48, 1351915), (60, 1081532), (80, 811149), (120, 540766), (127, 510960), (240, 270383), (254, 255480), (381, 170320), (508, 127740), (635, 102192), (762, 85160), (1016, 63870), (1270, 51096), (1524, 42580), (1905, 34064), (2032, 31935), (2129, 30480), (2540, 25548), (3048, 21290), (3810, 17032), (4258, 15240), (5080, 12774), (6096, 10645), (6387, 10160), (7620, 8516)]