1948505220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{400927}}^1$

素因数の和:400951

約数の個数: 72

約数和(自身を含む): 6129387264

約数和(自身を除く): 4180882044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 400927, 801854, 1202781, 1603708, 2004635, 2405562, 3608343, 4009270, 4811124, 6013905, 7216686, 8018540, 10825029, 12027810, 14433372, 18041715, 21650058, 24055620, 32475087, 36083430, 43300116, 54125145, 64950174, 72166860, 97425261, 108250290, 129900348, 162375435, 194850522, 216500580, 324750870, 389701044, 487126305, 649501740, 974252610, 1948505220]

約数ペア:

[(1, 1948505220), (2, 974252610), (3, 649501740), (4, 487126305), (5, 389701044), (6, 324750870), (9, 216500580), (10, 194850522), (12, 162375435), (15, 129900348), (18, 108250290), (20, 97425261), (27, 72166860), (30, 64950174), (36, 54125145), (45, 43300116), (54, 36083430), (60, 32475087), (81, 24055620), (90, 21650058), (108, 18041715), (135, 14433372), (162, 12027810), (180, 10825029), (243, 8018540), (270, 7216686), (324, 6013905), (405, 4811124), (486, 4009270), (540, 3608343), (810, 2405562), (972, 2004635), (1215, 1603708), (1620, 1202781), (2430, 801854), (4860, 400927)]