20921272080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{12119}}^1\times {\mathrm{7193}}^1$

素因数の和:19328

約数の個数: 80

約数和(自身を含む): 64870312320

約数和(自身を除く): 43949040240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 7193, 12119, 14386, 21579, 24238, 28772, 35965, 36357, 43158, 48476, 57544, 60595, 71930, 72714, 86316, 96952, 107895, 115088, 121190, 143860, 145428, 172632, 181785, 193904, 215790, 242380, 287720, 290856, 345264, 363570, 431580, 484760, 575440, 581712, 727140, 863160, 969520, 1454280, 1726320, 2908560, 87171967, 174343934, 261515901, 348687868, 435859835, 523031802, 697375736, 871719670, 1046063604, 1307579505, 1394751472, 1743439340, 2092127208, 2615159010, 3486878680, 4184254416, 5230318020, 6973757360, 10460636040, 20921272080]

約数ペア:

[(1, 20921272080), (2, 10460636040), (3, 6973757360), (4, 5230318020), (5, 4184254416), (6, 3486878680), (8, 2615159010), (10, 2092127208), (12, 1743439340), (15, 1394751472), (16, 1307579505), (20, 1046063604), (24, 871719670), (30, 697375736), (40, 523031802), (48, 435859835), (60, 348687868), (80, 261515901), (120, 174343934), (240, 87171967), (7193, 2908560), (12119, 1726320), (14386, 1454280), (21579, 969520), (24238, 863160), (28772, 727140), (35965, 581712), (36357, 575440), (43158, 484760), (48476, 431580), (57544, 363570), (60595, 345264), (71930, 290856), (72714, 287720), (86316, 242380), (96952, 215790), (107895, 193904), (115088, 181785), (121190, 172632), (143860, 145428)]