21756312960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{25237}}^1$

素因数の和:25708

約数の個数: 128

約数和(自身を含む): 69505452000

約数和(自身を除く): 47749139040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 449, 480, 640, 898, 960, 1347, 1796, 1920, 2245, 2694, 3592, 4490, 5388, 6735, 7184, 8980, 10776, 13470, 14368, 17960, 21552, 25237, 26940, 28736, 35920, 43104, 50474, 53880, 57472, 71840, 75711, 86208, 100948, 107760, 126185, 143680, 151422, 172416, 201896, 215520, 252370, 287360, 302844, 378555, 403792, 431040, 504740, 605688, 757110, 807584, 862080, 1009480, 1211376, 1514220, 1615168, 2018960, 2422752, 3028440, 3230336, 4037920, 4845504, 6056880, 8075840, 9691008, 11331413, 12113760, 16151680, 22662826, 24227520, 33994239, 45325652, 48455040, 56657065, 67988478, 90651304, 113314130, 135976956, 169971195, 181302608, 226628260, 271953912, 339942390, 362605216, 453256520, 543907824, 679884780, 725210432, 906513040, 1087815648, 1359769560, 1450420864, 1813026080, 2175631296, 2719539120, 3626052160, 4351262592, 5439078240, 7252104320, 10878156480, 21756312960]

約数ペア:

[(1, 21756312960), (2, 10878156480), (3, 7252104320), (4, 5439078240), (5, 4351262592), (6, 3626052160), (8, 2719539120), (10, 2175631296), (12, 1813026080), (15, 1450420864), (16, 1359769560), (20, 1087815648), (24, 906513040), (30, 725210432), (32, 679884780), (40, 543907824), (48, 453256520), (60, 362605216), (64, 339942390), (80, 271953912), (96, 226628260), (120, 181302608), (128, 169971195), (160, 135976956), (192, 113314130), (240, 90651304), (320, 67988478), (384, 56657065), (449, 48455040), (480, 45325652), (640, 33994239), (898, 24227520), (960, 22662826), (1347, 16151680), (1796, 12113760), (1920, 11331413), (2245, 9691008), (2694, 8075840), (3592, 6056880), (4490, 4845504), (5388, 4037920), (6735, 3230336), (7184, 3028440), (8980, 2422752), (10776, 2018960), (13470, 1615168), (14368, 1514220), (17960, 1211376), (21552, 1009480), (25237, 862080), (26940, 807584), (28736, 757110), (35920, 605688), (43104, 504740), (50474, 431040), (53880, 403792), (57472, 378555), (71840, 302844), (75711, 287360), (86208, 252370), (100948, 215520), (107760, 201896), (126185, 172416), (143680, 151422)]