154821240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{20479}}^1$

素因数の和:20506

約数の個数: 128

約数和(自身を含む): 589824000

約数和(自身を除く): 435002760

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, 20479, 40958, 61437, 81916, 102395, 122874, 143353, 163832, 184311, 204790, 245748, 286706, 307185, 368622, 409580, 430059, 491496, 552933, 573412, 614370, 716765, 737244, 819160, 860118, 921555, 1105866, 1146824, 1228740, 1290177, 1433530, 1474488, 1720236, 1843110, 2150295, 2211732, 2457480, 2580354, 2764665, 2867060, 3440472, 3686220, 3870531, 4300590, 4423464, 5160708, 5529330, 5734120, 6450885, 7372440, 7741062, 8601180, 10321416, 11058660, 12901770, 15482124, 17202360, 19352655, 22117320, 25803540, 30964248, 38705310, 51607080, 77410620, 154821240]

約数ペア:

[(1, 154821240), (2, 77410620), (3, 51607080), (4, 38705310), (5, 30964248), (6, 25803540), (7, 22117320), (8, 19352655), (9, 17202360), (10, 15482124), (12, 12901770), (14, 11058660), (15, 10321416), (18, 8601180), (20, 7741062), (21, 7372440), (24, 6450885), (27, 5734120), (28, 5529330), (30, 5160708), (35, 4423464), (36, 4300590), (40, 3870531), (42, 3686220), (45, 3440472), (54, 2867060), (56, 2764665), (60, 2580354), (63, 2457480), (70, 2211732), (72, 2150295), (84, 1843110), (90, 1720236), (105, 1474488), (108, 1433530), (120, 1290177), (126, 1228740), (135, 1146824), (140, 1105866), (168, 921555), (180, 860118), (189, 819160), (210, 737244), (216, 716765), (252, 614370), (270, 573412), (280, 552933), (315, 491496), (360, 430059), (378, 409580), (420, 368622), (504, 307185), (540, 286706), (630, 245748), (756, 204790), (840, 184311), (945, 163832), (1080, 143353), (1260, 122874), (1512, 102395), (1890, 81916), (2520, 61437), (3780, 40958), (7560, 20479)]