263194960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15161}}^1$

素因数の和:15212

約数の個数: 80

約数和(自身を含む): 721953792

約数和(自身を除く): 458758832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 15161, 17360, 30322, 60644, 75805, 106127, 121288, 151610, 212254, 242576, 303220, 424508, 469991, 530635, 606440, 849016, 939982, 1061270, 1212880, 1698032, 1879964, 2122540, 2349955, 3289937, 3759928, 4245080, 4699910, 6579874, 7519856, 8490160, 9399820, 13159748, 16449685, 18799640, 26319496, 32899370, 37599280, 52638992, 65798740, 131597480, 263194960]

約数ペア:

[(1, 263194960), (2, 131597480), (4, 65798740), (5, 52638992), (7, 37599280), (8, 32899370), (10, 26319496), (14, 18799640), (16, 16449685), (20, 13159748), (28, 9399820), (31, 8490160), (35, 7519856), (40, 6579874), (56, 4699910), (62, 4245080), (70, 3759928), (80, 3289937), (112, 2349955), (124, 2122540), (140, 1879964), (155, 1698032), (217, 1212880), (248, 1061270), (280, 939982), (310, 849016), (434, 606440), (496, 530635), (560, 469991), (620, 424508), (868, 303220), (1085, 242576), (1240, 212254), (1736, 151610), (2170, 121288), (2480, 106127), (3472, 75805), (4340, 60644), (8680, 30322), (15161, 17360)]