1285394280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1907}}^1$

素因数の和:2099

約数の個数: 128

約数和(自身を含む): 3981156480

約数和(自身を除く): 2695762200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 137, 164, 205, 246, 274, 328, 410, 411, 492, 548, 615, 685, 820, 822, 984, 1096, 1230, 1370, 1640, 1644, 1907, 2055, 2460, 2740, 3288, 3814, 4110, 4920, 5480, 5617, 5721, 7628, 8220, 9535, 11234, 11442, 15256, 16440, 16851, 19070, 22468, 22884, 28085, 28605, 33702, 38140, 44936, 45768, 56170, 57210, 67404, 76280, 78187, 84255, 112340, 114420, 134808, 156374, 168510, 224680, 228840, 234561, 261259, 312748, 337020, 390935, 469122, 522518, 625496, 674040, 781870, 783777, 938244, 1045036, 1172805, 1306295, 1563740, 1567554, 1876488, 2090072, 2345610, 2612590, 3127480, 3135108, 3918885, 4691220, 5225180, 6270216, 7837770, 9382440, 10450360, 10711619, 15675540, 21423238, 31351080, 32134857, 42846476, 53558095, 64269714, 85692952, 107116190, 128539428, 160674285, 214232380, 257078856, 321348570, 428464760, 642697140, 1285394280]

約数ペア:

[(1, 1285394280), (2, 642697140), (3, 428464760), (4, 321348570), (5, 257078856), (6, 214232380), (8, 160674285), (10, 128539428), (12, 107116190), (15, 85692952), (20, 64269714), (24, 53558095), (30, 42846476), (40, 32134857), (41, 31351080), (60, 21423238), (82, 15675540), (120, 10711619), (123, 10450360), (137, 9382440), (164, 7837770), (205, 6270216), (246, 5225180), (274, 4691220), (328, 3918885), (410, 3135108), (411, 3127480), (492, 2612590), (548, 2345610), (615, 2090072), (685, 1876488), (820, 1567554), (822, 1563740), (984, 1306295), (1096, 1172805), (1230, 1045036), (1370, 938244), (1640, 783777), (1644, 781870), (1907, 674040), (2055, 625496), (2460, 522518), (2740, 469122), (3288, 390935), (3814, 337020), (4110, 312748), (4920, 261259), (5480, 234561), (5617, 228840), (5721, 224680), (7628, 168510), (8220, 156374), (9535, 134808), (11234, 114420), (11442, 112340), (15256, 84255), (16440, 78187), (16851, 76280), (19070, 67404), (22468, 57210), (22884, 56170), (28085, 45768), (28605, 44936), (33702, 38140)]