27706140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2032

約数の個数: 144

約数和(自身を含む): 104832000

約数和(自身を除く): 77125860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 1999, 2310, 2772, 3465, 3998, 4620, 5997, 6930, 7996, 9995, 11994, 13860, 13993, 17991, 19990, 21989, 23988, 27986, 29985, 35982, 39980, 41979, 43978, 55972, 59970, 65967, 69965, 71964, 83958, 87956, 89955, 109945, 119940, 125937, 131934, 139930, 153923, 167916, 179910, 197901, 209895, 219890, 251874, 263868, 279860, 307846, 329835, 359820, 395802, 419790, 439780, 461769, 503748, 615692, 629685, 659670, 769615, 791604, 839580, 923538, 989505, 1259370, 1319340, 1385307, 1539230, 1847076, 1979010, 2308845, 2518740, 2770614, 3078460, 3958020, 4617690, 5541228, 6926535, 9235380, 13853070, 27706140]

約数ペア:

[(1, 27706140), (2, 13853070), (3, 9235380), (4, 6926535), (5, 5541228), (6, 4617690), (7, 3958020), (9, 3078460), (10, 2770614), (11, 2518740), (12, 2308845), (14, 1979010), (15, 1847076), (18, 1539230), (20, 1385307), (21, 1319340), (22, 1259370), (28, 989505), (30, 923538), (33, 839580), (35, 791604), (36, 769615), (42, 659670), (44, 629685), (45, 615692), (55, 503748), (60, 461769), (63, 439780), (66, 419790), (70, 395802), (77, 359820), (84, 329835), (90, 307846), (99, 279860), (105, 263868), (110, 251874), (126, 219890), (132, 209895), (140, 197901), (154, 179910), (165, 167916), (180, 153923), (198, 139930), (210, 131934), (220, 125937), (231, 119940), (252, 109945), (308, 89955), (315, 87956), (330, 83958), (385, 71964), (396, 69965), (420, 65967), (462, 59970), (495, 55972), (630, 43978), (660, 41979), (693, 39980), (770, 35982), (924, 29985), (990, 27986), (1155, 23988), (1260, 21989), (1386, 19990), (1540, 17991), (1980, 13993), (1999, 13860), (2310, 11994), (2772, 9995), (3465, 7996), (3998, 6930), (4620, 5997)]