312125360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 755761152

約数和(自身を除く): 443635792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 991, 1016, 1240, 1270, 1982, 2032, 2480, 2540, 3937, 3964, 4955, 5080, 7874, 7928, 9910, 10160, 15748, 15856, 19685, 19820, 30721, 31496, 39370, 39640, 61442, 62992, 78740, 79280, 122884, 125857, 153605, 157480, 245768, 251714, 307210, 314960, 491536, 503428, 614420, 629285, 1006856, 1228840, 1258570, 2013712, 2457680, 2517140, 3901567, 5034280, 7803134, 10068560, 15606268, 19507835, 31212536, 39015670, 62425072, 78031340, 156062680, 312125360]

約数ペア:

[(1, 312125360), (2, 156062680), (4, 78031340), (5, 62425072), (8, 39015670), (10, 31212536), (16, 19507835), (20, 15606268), (31, 10068560), (40, 7803134), (62, 5034280), (80, 3901567), (124, 2517140), (127, 2457680), (155, 2013712), (248, 1258570), (254, 1228840), (310, 1006856), (496, 629285), (508, 614420), (620, 503428), (635, 491536), (991, 314960), (1016, 307210), (1240, 251714), (1270, 245768), (1982, 157480), (2032, 153605), (2480, 125857), (2540, 122884), (3937, 79280), (3964, 78740), (4955, 62992), (5080, 61442), (7874, 39640), (7928, 39370), (9910, 31496), (10160, 30721), (15748, 19820), (15856, 19685)]