138217680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{191969}}^1$

素因数の和:191988

約数の個数: 60

約数和(自身を含む): 464183460

約数和(自身を除く): 325965780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 191969, 383938, 575907, 767876, 959845, 1151814, 1535752, 1727721, 1919690, 2303628, 2879535, 3071504, 3455442, 3839380, 4607256, 5759070, 6910884, 7678760, 8638605, 9214512, 11518140, 13821768, 15357520, 17277210, 23036280, 27643536, 34554420, 46072560, 69108840, 138217680]

約数ペア:

[(1, 138217680), (2, 69108840), (3, 46072560), (4, 34554420), (5, 27643536), (6, 23036280), (8, 17277210), (9, 15357520), (10, 13821768), (12, 11518140), (15, 9214512), (16, 8638605), (18, 7678760), (20, 6910884), (24, 5759070), (30, 4607256), (36, 3839380), (40, 3455442), (45, 3071504), (48, 2879535), (60, 2303628), (72, 1919690), (80, 1727721), (90, 1535752), (120, 1151814), (144, 959845), (180, 767876), (240, 575907), (360, 383938), (720, 191969)]