266807080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2089}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 625996800

約数和(自身を除く): 359189720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 2060, 2089, 3193, 4120, 4178, 6386, 8356, 10445, 12772, 15965, 16712, 20890, 25544, 31930, 41780, 63860, 64759, 83560, 127720, 129518, 215167, 259036, 323795, 430334, 518072, 647590, 860668, 1075835, 1295180, 1721336, 2151670, 2590360, 4303340, 6670177, 8606680, 13340354, 26680708, 33350885, 53361416, 66701770, 133403540, 266807080]

約数ペア:

[(1, 266807080), (2, 133403540), (4, 66701770), (5, 53361416), (8, 33350885), (10, 26680708), (20, 13340354), (31, 8606680), (40, 6670177), (62, 4303340), (103, 2590360), (124, 2151670), (155, 1721336), (206, 1295180), (248, 1075835), (310, 860668), (412, 647590), (515, 518072), (620, 430334), (824, 323795), (1030, 259036), (1240, 215167), (2060, 129518), (2089, 127720), (3193, 83560), (4120, 64759), (4178, 63860), (6386, 41780), (8356, 31930), (10445, 25544), (12772, 20890), (15965, 16712)]