77780520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72019}}^1$

素因数の和:72039

約数の個数: 64

約数和(自身を含む): 259272000

約数和(自身を除く): 181491480

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72019, 144038, 216057, 288076, 360095, 432114, 576152, 648171, 720190, 864228, 1080285, 1296342, 1440380, 1728456, 1944513, 2160570, 2592684, 2880760, 3240855, 3889026, 4321140, 5185368, 6481710, 7778052, 8642280, 9722565, 12963420, 15556104, 19445130, 25926840, 38890260, 77780520]

約数ペア:

[(1, 77780520), (2, 38890260), (3, 25926840), (4, 19445130), (5, 15556104), (6, 12963420), (8, 9722565), (9, 8642280), (10, 7778052), (12, 6481710), (15, 5185368), (18, 4321140), (20, 3889026), (24, 3240855), (27, 2880760), (30, 2592684), (36, 2160570), (40, 1944513), (45, 1728456), (54, 1440380), (60, 1296342), (72, 1080285), (90, 864228), (108, 720190), (120, 648171), (135, 576152), (180, 432114), (216, 360095), (270, 288076), (360, 216057), (540, 144038), (1080, 72019)]