1815662220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1780061}}^1$

素因数の和:1780090

約数の個数: 48

約数和(自身を含む): 5382907488

約数和(自身を除く): 3567245268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1780061, 3560122, 5340183, 7120244, 8900305, 10680366, 17800610, 21360732, 26700915, 30261037, 35601220, 53401830, 60522074, 90783111, 106803660, 121044148, 151305185, 181566222, 302610370, 363132444, 453915555, 605220740, 907831110, 1815662220]

約数ペア:

[(1, 1815662220), (2, 907831110), (3, 605220740), (4, 453915555), (5, 363132444), (6, 302610370), (10, 181566222), (12, 151305185), (15, 121044148), (17, 106803660), (20, 90783111), (30, 60522074), (34, 53401830), (51, 35601220), (60, 30261037), (68, 26700915), (85, 21360732), (102, 17800610), (170, 10680366), (204, 8900305), (255, 7120244), (340, 5340183), (510, 3560122), (1020, 1780061)]