281237880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2767}}^1$

素因数の和:2810

約数の個数: 192

約数和(自身を含む): 1060254720

約数和(自身を除く): 779016840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 121, 132, 140, 154, 165, 168, 210, 220, 231, 242, 264, 280, 308, 330, 363, 385, 420, 440, 462, 484, 605, 616, 660, 726, 770, 840, 847, 924, 968, 1155, 1210, 1320, 1452, 1540, 1694, 1815, 1848, 2310, 2420, 2541, 2767, 2904, 3080, 3388, 3630, 4235, 4620, 4840, 5082, 5534, 6776, 7260, 8301, 8470, 9240, 10164, 11068, 12705, 13835, 14520, 16602, 16940, 19369, 20328, 22136, 25410, 27670, 30437, 33204, 33880, 38738, 41505, 50820, 55340, 58107, 60874, 66408, 77476, 83010, 91311, 96845, 101640, 110680, 116214, 121748, 152185, 154952, 166020, 182622, 193690, 213059, 232428, 243496, 290535, 304370, 332040, 334807, 365244, 387380, 426118, 456555, 464856, 581070, 608740, 639177, 669614, 730488, 774760, 852236, 913110, 1004421, 1065295, 1162140, 1217480, 1278354, 1339228, 1674035, 1704472, 1826220, 2008842, 2130590, 2324280, 2343649, 2556708, 2678456, 3195885, 3348070, 3652440, 4017684, 4261180, 4687298, 5022105, 5113416, 6391770, 6696140, 7030947, 8035368, 8522360, 9374596, 10044210, 11718245, 12783540, 13392280, 14061894, 18749192, 20088420, 23436490, 25567080, 28123788, 35154735, 40176840, 46872980, 56247576, 70309470, 93745960, 140618940, 281237880]

約数ペア:

[(1, 281237880), (2, 140618940), (3, 93745960), (4, 70309470), (5, 56247576), (6, 46872980), (7, 40176840), (8, 35154735), (10, 28123788), (11, 25567080), (12, 23436490), (14, 20088420), (15, 18749192), (20, 14061894), (21, 13392280), (22, 12783540), (24, 11718245), (28, 10044210), (30, 9374596), (33, 8522360), (35, 8035368), (40, 7030947), (42, 6696140), (44, 6391770), (55, 5113416), (56, 5022105), (60, 4687298), (66, 4261180), (70, 4017684), (77, 3652440), (84, 3348070), (88, 3195885), (105, 2678456), (110, 2556708), (120, 2343649), (121, 2324280), (132, 2130590), (140, 2008842), (154, 1826220), (165, 1704472), (168, 1674035), (210, 1339228), (220, 1278354), (231, 1217480), (242, 1162140), (264, 1065295), (280, 1004421), (308, 913110), (330, 852236), (363, 774760), (385, 730488), (420, 669614), (440, 639177), (462, 608740), (484, 581070), (605, 464856), (616, 456555), (660, 426118), (726, 387380), (770, 365244), (840, 334807), (847, 332040), (924, 304370), (968, 290535), (1155, 243496), (1210, 232428), (1320, 213059), (1452, 193690), (1540, 182622), (1694, 166020), (1815, 154952), (1848, 152185), (2310, 121748), (2420, 116214), (2541, 110680), (2767, 101640), (2904, 96845), (3080, 91311), (3388, 83010), (3630, 77476), (4235, 66408), (4620, 60874), (4840, 58107), (5082, 55340), (5534, 50820), (6776, 41505), (7260, 38738), (8301, 33880), (8470, 33204), (9240, 30437), (10164, 27670), (11068, 25410), (12705, 22136), (13835, 20328), (14520, 19369), (16602, 16940)]