20764080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9613}}^1$

素因数の和:9635

約数の個数: 80

約数和(自身を含む): 71528160

約数和(自身を除く): 50764080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9613, 19226, 28839, 38452, 48065, 57678, 76904, 86517, 96130, 115356, 144195, 153808, 173034, 192260, 230712, 259551, 288390, 346068, 384520, 432585, 461424, 519102, 576780, 692136, 769040, 865170, 1038204, 1153560, 1297755, 1384272, 1730340, 2076408, 2307120, 2595510, 3460680, 4152816, 5191020, 6921360, 10382040, 20764080]

約数ペア:

[(1, 20764080), (2, 10382040), (3, 6921360), (4, 5191020), (5, 4152816), (6, 3460680), (8, 2595510), (9, 2307120), (10, 2076408), (12, 1730340), (15, 1384272), (16, 1297755), (18, 1153560), (20, 1038204), (24, 865170), (27, 769040), (30, 692136), (36, 576780), (40, 519102), (45, 461424), (48, 432585), (54, 384520), (60, 346068), (72, 288390), (80, 259551), (90, 230712), (108, 192260), (120, 173034), (135, 153808), (144, 144195), (180, 115356), (216, 96130), (240, 86517), (270, 76904), (360, 57678), (432, 48065), (540, 38452), (720, 28839), (1080, 19226), (2160, 9613)]