12301520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2028

約数の個数: 80

約数和(自身を含む): 35676288

約数和(自身を除く): 23374768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 1997, 3080, 3994, 6160, 7988, 9985, 13979, 15976, 19970, 21967, 27958, 31952, 39940, 43934, 55916, 69895, 79880, 87868, 109835, 111832, 139790, 153769, 159760, 175736, 219670, 223664, 279580, 307538, 351472, 439340, 559160, 615076, 768845, 878680, 1118320, 1230152, 1537690, 1757360, 2460304, 3075380, 6150760, 12301520]

約数ペア:

[(1, 12301520), (2, 6150760), (4, 3075380), (5, 2460304), (7, 1757360), (8, 1537690), (10, 1230152), (11, 1118320), (14, 878680), (16, 768845), (20, 615076), (22, 559160), (28, 439340), (35, 351472), (40, 307538), (44, 279580), (55, 223664), (56, 219670), (70, 175736), (77, 159760), (80, 153769), (88, 139790), (110, 111832), (112, 109835), (140, 87868), (154, 79880), (176, 69895), (220, 55916), (280, 43934), (308, 39940), (385, 31952), (440, 27958), (560, 21967), (616, 19970), (770, 15976), (880, 13979), (1232, 9985), (1540, 7988), (1997, 6160), (3080, 3994)]