209151180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{55331}}^1$

素因数の和:55356

約数の個数: 96

約数和(自身を含む): 743662080

約数和(自身を除く): 534510900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 55331, 110662, 165993, 221324, 276655, 331986, 387317, 497979, 553310, 663972, 774634, 829965, 995958, 1106620, 1161951, 1493937, 1549268, 1659930, 1936585, 1991916, 2323902, 2489895, 2987874, 3319860, 3485853, 3873170, 4647804, 4979790, 5809755, 5975748, 6971706, 7469685, 7746340, 9959580, 10457559, 11619510, 13943412, 14939370, 17429265, 20915118, 23239020, 29878740, 34858530, 41830236, 52287795, 69717060, 104575590, 209151180]

約数ペア:

[(1, 209151180), (2, 104575590), (3, 69717060), (4, 52287795), (5, 41830236), (6, 34858530), (7, 29878740), (9, 23239020), (10, 20915118), (12, 17429265), (14, 14939370), (15, 13943412), (18, 11619510), (20, 10457559), (21, 9959580), (27, 7746340), (28, 7469685), (30, 6971706), (35, 5975748), (36, 5809755), (42, 4979790), (45, 4647804), (54, 3873170), (60, 3485853), (63, 3319860), (70, 2987874), (84, 2489895), (90, 2323902), (105, 1991916), (108, 1936585), (126, 1659930), (135, 1549268), (140, 1493937), (180, 1161951), (189, 1106620), (210, 995958), (252, 829965), (270, 774634), (315, 663972), (378, 553310), (420, 497979), (540, 387317), (630, 331986), (756, 276655), (945, 221324), (1260, 165993), (1890, 110662), (3780, 55331)]