261952110

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{138599}}^1$

素因数の和:138622

約数の個数: 64

約数和(自身を含む): 798336000

約数和(自身を除く): 536383890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 138599, 277198, 415797, 692995, 831594, 970193, 1247391, 1385990, 1940386, 2078985, 2494782, 2910579, 3742173, 4157970, 4850965, 5821158, 6236955, 7484346, 8731737, 9701930, 12473910, 14552895, 17463474, 18710865, 26195211, 29105790, 37421730, 43658685, 52390422, 87317370, 130976055, 261952110]

約数ペア:

[(1, 261952110), (2, 130976055), (3, 87317370), (5, 52390422), (6, 43658685), (7, 37421730), (9, 29105790), (10, 26195211), (14, 18710865), (15, 17463474), (18, 14552895), (21, 12473910), (27, 9701930), (30, 8731737), (35, 7484346), (42, 6236955), (45, 5821158), (54, 4850965), (63, 4157970), (70, 3742173), (90, 2910579), (105, 2494782), (126, 2078985), (135, 1940386), (189, 1385990), (210, 1247391), (270, 970193), (315, 831594), (378, 692995), (630, 415797), (945, 277198), (1890, 138599)]