722276720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{2143}}^1$

素因数の和:2550

約数の個数: 80

約数和(自身を含む): 1837596672

約数和(自身を除く): 1115319952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 383, 440, 766, 880, 1532, 1915, 2143, 3064, 3830, 4213, 4286, 6128, 7660, 8426, 8572, 10715, 15320, 16852, 17144, 21065, 21430, 23573, 30640, 33704, 34288, 42130, 42860, 47146, 67408, 84260, 85720, 94292, 117865, 168520, 171440, 188584, 235730, 337040, 377168, 471460, 820769, 942920, 1641538, 1885840, 3283076, 4103845, 6566152, 8207690, 9028459, 13132304, 16415380, 18056918, 32830760, 36113836, 45142295, 65661520, 72227672, 90284590, 144455344, 180569180, 361138360, 722276720]

約数ペア:

[(1, 722276720), (2, 361138360), (4, 180569180), (5, 144455344), (8, 90284590), (10, 72227672), (11, 65661520), (16, 45142295), (20, 36113836), (22, 32830760), (40, 18056918), (44, 16415380), (55, 13132304), (80, 9028459), (88, 8207690), (110, 6566152), (176, 4103845), (220, 3283076), (383, 1885840), (440, 1641538), (766, 942920), (880, 820769), (1532, 471460), (1915, 377168), (2143, 337040), (3064, 235730), (3830, 188584), (4213, 171440), (4286, 168520), (6128, 117865), (7660, 94292), (8426, 85720), (8572, 84260), (10715, 67408), (15320, 47146), (16852, 42860), (17144, 42130), (21065, 34288), (21430, 33704), (23573, 30640)]