20181960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6229}}^1$

素因数の和:6252

約数の個数: 80

約数和(自身を含む): 67844700

約数和(自身を除く): 47662740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6229, 12458, 18687, 24916, 31145, 37374, 49832, 56061, 62290, 74748, 93435, 112122, 124580, 149496, 168183, 186870, 224244, 249160, 280305, 336366, 373740, 448488, 504549, 560610, 672732, 747480, 840915, 1009098, 1121220, 1345464, 1681830, 2018196, 2242440, 2522745, 3363660, 4036392, 5045490, 6727320, 10090980, 20181960]

約数ペア:

[(1, 20181960), (2, 10090980), (3, 6727320), (4, 5045490), (5, 4036392), (6, 3363660), (8, 2522745), (9, 2242440), (10, 2018196), (12, 1681830), (15, 1345464), (18, 1121220), (20, 1009098), (24, 840915), (27, 747480), (30, 672732), (36, 560610), (40, 504549), (45, 448488), (54, 373740), (60, 336366), (72, 280305), (81, 249160), (90, 224244), (108, 186870), (120, 168183), (135, 149496), (162, 124580), (180, 112122), (216, 93435), (270, 74748), (324, 62290), (360, 56061), (405, 49832), (540, 37374), (648, 31145), (810, 24916), (1080, 18687), (1620, 12458), (3240, 6229)]