1328800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 3562272

約数和(自身を除く): 2233472

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 151, 160, 176, 200, 220, 275, 302, 352, 400, 440, 550, 604, 755, 800, 880, 1100, 1208, 1510, 1661, 1760, 2200, 2416, 3020, 3322, 3775, 4400, 4832, 6040, 6644, 7550, 8305, 8800, 12080, 13288, 15100, 16610, 24160, 26576, 30200, 33220, 41525, 53152, 60400, 66440, 83050, 120800, 132880, 166100, 265760, 332200, 664400, 1328800]

約数ペア:

[(1, 1328800), (2, 664400), (4, 332200), (5, 265760), (8, 166100), (10, 132880), (11, 120800), (16, 83050), (20, 66440), (22, 60400), (25, 53152), (32, 41525), (40, 33220), (44, 30200), (50, 26576), (55, 24160), (80, 16610), (88, 15100), (100, 13288), (110, 12080), (151, 8800), (160, 8305), (176, 7550), (200, 6644), (220, 6040), (275, 4832), (302, 4400), (352, 3775), (400, 3322), (440, 3020), (550, 2416), (604, 2200), (755, 1760), (800, 1661), (880, 1510), (1100, 1208)]