1985131920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{65129}}^1$

素因数の和:65272

約数の個数: 80

約数和(自身を含む): 6202460160

約数和(自身を除く): 4217328240

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, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 65129, 130258, 195387, 260516, 325645, 390774, 521032, 651290, 781548, 976935, 1042064, 1302580, 1563096, 1953870, 2605160, 3126192, 3907740, 5210320, 7815480, 8271383, 15630960, 16542766, 24814149, 33085532, 41356915, 49628298, 66171064, 82713830, 99256596, 124070745, 132342128, 165427660, 198513192, 248141490, 330855320, 397026384, 496282980, 661710640, 992565960, 1985131920]

約数ペア:

[(1, 1985131920), (2, 992565960), (3, 661710640), (4, 496282980), (5, 397026384), (6, 330855320), (8, 248141490), (10, 198513192), (12, 165427660), (15, 132342128), (16, 124070745), (20, 99256596), (24, 82713830), (30, 66171064), (40, 49628298), (48, 41356915), (60, 33085532), (80, 24814149), (120, 16542766), (127, 15630960), (240, 8271383), (254, 7815480), (381, 5210320), (508, 3907740), (635, 3126192), (762, 2605160), (1016, 1953870), (1270, 1563096), (1524, 1302580), (1905, 1042064), (2032, 976935), (2540, 781548), (3048, 651290), (3810, 521032), (5080, 390774), (6096, 325645), (7620, 260516), (10160, 195387), (15240, 130258), (30480, 65129)]