23378320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 39474800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 383, 436, 545, 560, 763, 766, 872, 1090, 1526, 1532, 1744, 1915, 2180, 2681, 3052, 3064, 3815, 3830, 4360, 5362, 6104, 6128, 7630, 7660, 8720, 10724, 12208, 13405, 15260, 15320, 21448, 26810, 30520, 30640, 41747, 42896, 53620, 61040, 83494, 107240, 166988, 208735, 214480, 292229, 333976, 417470, 584458, 667952, 834940, 1168916, 1461145, 1669880, 2337832, 2922290, 3339760, 4675664, 5844580, 11689160, 23378320]

約数ペア:

[(1, 23378320), (2, 11689160), (4, 5844580), (5, 4675664), (7, 3339760), (8, 2922290), (10, 2337832), (14, 1669880), (16, 1461145), (20, 1168916), (28, 834940), (35, 667952), (40, 584458), (56, 417470), (70, 333976), (80, 292229), (109, 214480), (112, 208735), (140, 166988), (218, 107240), (280, 83494), (383, 61040), (436, 53620), (545, 42896), (560, 41747), (763, 30640), (766, 30520), (872, 26810), (1090, 21448), (1526, 15320), (1532, 15260), (1744, 13405), (1915, 12208), (2180, 10724), (2681, 8720), (3052, 7660), (3064, 7630), (3815, 6128), (3830, 6104), (4360, 5362)]