309642480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20479}}^1$

素因数の和:20508

約数の個数: 160

約数和(自身を含む): 1218969600

約数和(自身を除く): 909327120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20479, 40958, 61437, 81916, 102395, 122874, 143353, 163832, 184311, 204790, 245748, 286706, 307185, 327664, 368622, 409580, 430059, 491496, 552933, 573412, 614370, 716765, 737244, 819160, 860118, 921555, 982992, 1105866, 1146824, 1228740, 1290177, 1433530, 1474488, 1638320, 1720236, 1843110, 2150295, 2211732, 2293648, 2457480, 2580354, 2764665, 2867060, 2948976, 3440472, 3686220, 3870531, 4300590, 4423464, 4914960, 5160708, 5529330, 5734120, 6450885, 6880944, 7372440, 7741062, 8601180, 8846928, 10321416, 11058660, 11468240, 12901770, 14744880, 15482124, 17202360, 19352655, 20642832, 22117320, 25803540, 30964248, 34404720, 38705310, 44234640, 51607080, 61928496, 77410620, 103214160, 154821240, 309642480]

約数ペア:

[(1, 309642480), (2, 154821240), (3, 103214160), (4, 77410620), (5, 61928496), (6, 51607080), (7, 44234640), (8, 38705310), (9, 34404720), (10, 30964248), (12, 25803540), (14, 22117320), (15, 20642832), (16, 19352655), (18, 17202360), (20, 15482124), (21, 14744880), (24, 12901770), (27, 11468240), (28, 11058660), (30, 10321416), (35, 8846928), (36, 8601180), (40, 7741062), (42, 7372440), (45, 6880944), (48, 6450885), (54, 5734120), (56, 5529330), (60, 5160708), (63, 4914960), (70, 4423464), (72, 4300590), (80, 3870531), (84, 3686220), (90, 3440472), (105, 2948976), (108, 2867060), (112, 2764665), (120, 2580354), (126, 2457480), (135, 2293648), (140, 2211732), (144, 2150295), (168, 1843110), (180, 1720236), (189, 1638320), (210, 1474488), (216, 1433530), (240, 1290177), (252, 1228740), (270, 1146824), (280, 1105866), (315, 982992), (336, 921555), (360, 860118), (378, 819160), (420, 737244), (432, 716765), (504, 614370), (540, 573412), (560, 552933), (630, 491496), (720, 430059), (756, 409580), (840, 368622), (945, 327664), (1008, 307185), (1080, 286706), (1260, 245748), (1512, 204790), (1680, 184311), (1890, 163832), (2160, 143353), (2520, 122874), (3024, 102395), (3780, 81916), (5040, 61437), (7560, 40958), (15120, 20479)]