981991080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{129893}}^1$

素因数の和:129920

約数の個数: 128

約数和(自身を含む): 3740947200

約数和(自身を除く): 2758956120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 129893, 259786, 389679, 519572, 649465, 779358, 909251, 1039144, 1169037, 1298930, 1558716, 1818502, 1948395, 2338074, 2597860, 2727753, 3117432, 3507111, 3637004, 3896790, 4546255, 4676148, 5195720, 5455506, 5845185, 7014222, 7274008, 7793580, 8183259, 9092510, 9352296, 10911012, 11690370, 13638765, 14028444, 15587160, 16366518, 17535555, 18185020, 21822024, 23380740, 24549777, 27277530, 28056888, 32733036, 35071110, 36370040, 40916295, 46761480, 49099554, 54555060, 65466072, 70142220, 81832590, 98199108, 109110120, 122748885, 140284440, 163665180, 196398216, 245497770, 327330360, 490995540, 981991080]

約数ペア:

[(1, 981991080), (2, 490995540), (3, 327330360), (4, 245497770), (5, 196398216), (6, 163665180), (7, 140284440), (8, 122748885), (9, 109110120), (10, 98199108), (12, 81832590), (14, 70142220), (15, 65466072), (18, 54555060), (20, 49099554), (21, 46761480), (24, 40916295), (27, 36370040), (28, 35071110), (30, 32733036), (35, 28056888), (36, 27277530), (40, 24549777), (42, 23380740), (45, 21822024), (54, 18185020), (56, 17535555), (60, 16366518), (63, 15587160), (70, 14028444), (72, 13638765), (84, 11690370), (90, 10911012), (105, 9352296), (108, 9092510), (120, 8183259), (126, 7793580), (135, 7274008), (140, 7014222), (168, 5845185), (180, 5455506), (189, 5195720), (210, 4676148), (216, 4546255), (252, 3896790), (270, 3637004), (280, 3507111), (315, 3117432), (360, 2727753), (378, 2597860), (420, 2338074), (504, 1948395), (540, 1818502), (630, 1558716), (756, 1298930), (840, 1169037), (945, 1039144), (1080, 909251), (1260, 779358), (1512, 649465), (1890, 519572), (2520, 389679), (3780, 259786), (7560, 129893)]