23181520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 57674880

約数和(自身を除く): 34493360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 151, 152, 190, 202, 302, 304, 380, 404, 505, 604, 755, 760, 808, 1010, 1208, 1510, 1520, 1616, 1919, 2020, 2416, 2869, 3020, 3838, 4040, 5738, 6040, 7676, 8080, 9595, 11476, 12080, 14345, 15251, 15352, 19190, 22952, 28690, 30502, 30704, 38380, 45904, 57380, 61004, 76255, 76760, 114760, 122008, 152510, 153520, 229520, 244016, 289769, 305020, 579538, 610040, 1159076, 1220080, 1448845, 2318152, 2897690, 4636304, 5795380, 11590760, 23181520]

約数ペア:

[(1, 23181520), (2, 11590760), (4, 5795380), (5, 4636304), (8, 2897690), (10, 2318152), (16, 1448845), (19, 1220080), (20, 1159076), (38, 610040), (40, 579538), (76, 305020), (80, 289769), (95, 244016), (101, 229520), (151, 153520), (152, 152510), (190, 122008), (202, 114760), (302, 76760), (304, 76255), (380, 61004), (404, 57380), (505, 45904), (604, 38380), (755, 30704), (760, 30502), (808, 28690), (1010, 22952), (1208, 19190), (1510, 15352), (1520, 15251), (1616, 14345), (1919, 12080), (2020, 11476), (2416, 9595), (2869, 8080), (3020, 7676), (3838, 6040), (4040, 5738)]