289319280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1135

約数の個数: 160

約数和(自身を含む): 951748608

約数和(自身を除く): 662429328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 74, 80, 93, 111, 120, 124, 148, 155, 185, 186, 222, 240, 248, 296, 310, 370, 372, 444, 465, 496, 555, 592, 620, 740, 744, 888, 930, 1051, 1110, 1147, 1240, 1480, 1488, 1776, 1860, 2102, 2220, 2294, 2480, 2960, 3153, 3441, 3720, 4204, 4440, 4588, 5255, 5735, 6306, 6882, 7440, 8408, 8880, 9176, 10510, 11470, 12612, 13764, 15765, 16816, 17205, 18352, 21020, 22940, 25224, 27528, 31530, 32581, 34410, 38887, 42040, 45880, 50448, 55056, 63060, 65162, 68820, 77774, 84080, 91760, 97743, 116661, 126120, 130324, 137640, 155548, 162905, 194435, 195486, 233322, 252240, 260648, 275280, 311096, 325810, 388870, 390972, 466644, 488715, 521296, 583305, 622192, 651620, 777740, 781944, 933288, 977430, 1166610, 1205497, 1303240, 1555480, 1563888, 1866576, 1954860, 2333220, 2410994, 2606480, 3110960, 3616491, 3909720, 4666440, 4821988, 6027485, 7232982, 7819440, 9332880, 9643976, 12054970, 14465964, 18082455, 19287952, 24109940, 28931928, 36164910, 48219880, 57863856, 72329820, 96439760, 144659640, 289319280]

約数ペア:

[(1, 289319280), (2, 144659640), (3, 96439760), (4, 72329820), (5, 57863856), (6, 48219880), (8, 36164910), (10, 28931928), (12, 24109940), (15, 19287952), (16, 18082455), (20, 14465964), (24, 12054970), (30, 9643976), (31, 9332880), (37, 7819440), (40, 7232982), (48, 6027485), (60, 4821988), (62, 4666440), (74, 3909720), (80, 3616491), (93, 3110960), (111, 2606480), (120, 2410994), (124, 2333220), (148, 1954860), (155, 1866576), (185, 1563888), (186, 1555480), (222, 1303240), (240, 1205497), (248, 1166610), (296, 977430), (310, 933288), (370, 781944), (372, 777740), (444, 651620), (465, 622192), (496, 583305), (555, 521296), (592, 488715), (620, 466644), (740, 390972), (744, 388870), (888, 325810), (930, 311096), (1051, 275280), (1110, 260648), (1147, 252240), (1240, 233322), (1480, 195486), (1488, 194435), (1776, 162905), (1860, 155548), (2102, 137640), (2220, 130324), (2294, 126120), (2480, 116661), (2960, 97743), (3153, 91760), (3441, 84080), (3720, 77774), (4204, 68820), (4440, 65162), (4588, 63060), (5255, 55056), (5735, 50448), (6306, 45880), (6882, 42040), (7440, 38887), (8408, 34410), (8880, 32581), (9176, 31530), (10510, 27528), (11470, 25224), (12612, 22940), (13764, 21020), (15765, 18352), (16816, 17205)]