267506440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 661478400

約数和(自身を除く): 393971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 43, 58, 62, 86, 116, 124, 145, 155, 172, 173, 215, 232, 248, 290, 310, 344, 346, 430, 580, 620, 692, 860, 865, 899, 1160, 1240, 1247, 1333, 1384, 1720, 1730, 1798, 2494, 2666, 3460, 3596, 4495, 4988, 5017, 5332, 5363, 6235, 6665, 6920, 7192, 7439, 8990, 9976, 10034, 10664, 10726, 12470, 13330, 14878, 17980, 20068, 21452, 24940, 25085, 26660, 26815, 29756, 35960, 37195, 38657, 40136, 42904, 49880, 50170, 53320, 53630, 59512, 74390, 77314, 100340, 107260, 148780, 154628, 155527, 193285, 200680, 214520, 215731, 230609, 297560, 309256, 311054, 386570, 431462, 461218, 622108, 773140, 777635, 862924, 922436, 1078655, 1153045, 1244216, 1546280, 1555270, 1725848, 1844872, 2157310, 2306090, 3110540, 4314620, 4612180, 6221080, 6687661, 8629240, 9224360, 13375322, 26750644, 33438305, 53501288, 66876610, 133753220, 267506440]

約数ペア:

[(1, 267506440), (2, 133753220), (4, 66876610), (5, 53501288), (8, 33438305), (10, 26750644), (20, 13375322), (29, 9224360), (31, 8629240), (40, 6687661), (43, 6221080), (58, 4612180), (62, 4314620), (86, 3110540), (116, 2306090), (124, 2157310), (145, 1844872), (155, 1725848), (172, 1555270), (173, 1546280), (215, 1244216), (232, 1153045), (248, 1078655), (290, 922436), (310, 862924), (344, 777635), (346, 773140), (430, 622108), (580, 461218), (620, 431462), (692, 386570), (860, 311054), (865, 309256), (899, 297560), (1160, 230609), (1240, 215731), (1247, 214520), (1333, 200680), (1384, 193285), (1720, 155527), (1730, 154628), (1798, 148780), (2494, 107260), (2666, 100340), (3460, 77314), (3596, 74390), (4495, 59512), (4988, 53630), (5017, 53320), (5332, 50170), (5363, 49880), (6235, 42904), (6665, 40136), (6920, 38657), (7192, 37195), (7439, 35960), (8990, 29756), (9976, 26815), (10034, 26660), (10664, 25085), (10726, 24940), (12470, 21452), (13330, 20068), (14878, 17980)]