660198816

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^1\times {\mathrm{157}}^2$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 2000436480

約数和(自身を除く): 1340237664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 93, 96, 108, 124, 144, 157, 186, 216, 248, 279, 288, 314, 372, 432, 471, 496, 558, 628, 744, 837, 864, 942, 992, 1116, 1256, 1413, 1488, 1674, 1884, 2232, 2512, 2826, 2976, 3348, 3768, 4239, 4464, 4867, 5024, 5652, 6696, 7536, 8478, 8928, 9734, 11304, 13392, 14601, 15072, 16956, 19468, 22608, 24649, 26784, 29202, 33912, 38936, 43803, 45216, 49298, 58404, 67824, 73947, 77872, 87606, 98596, 116808, 131409, 135648, 147894, 155744, 175212, 197192, 221841, 233616, 262818, 295788, 350424, 394384, 443682, 467232, 525636, 591576, 665523, 700848, 764119, 788768, 887364, 1051272, 1183152, 1331046, 1401696, 1528238, 1774728, 2102544, 2292357, 2366304, 2662092, 3056476, 3549456, 4205088, 4584714, 5324184, 6112952, 6877071, 7098912, 9169428, 10648368, 12225904, 13754142, 18338856, 20631213, 21296736, 24451808, 27508284, 36677712, 41262426, 55016568, 73355424, 82524852, 110033136, 165049704, 220066272, 330099408, 660198816]

約数ペア:

[(1, 660198816), (2, 330099408), (3, 220066272), (4, 165049704), (6, 110033136), (8, 82524852), (9, 73355424), (12, 55016568), (16, 41262426), (18, 36677712), (24, 27508284), (27, 24451808), (31, 21296736), (32, 20631213), (36, 18338856), (48, 13754142), (54, 12225904), (62, 10648368), (72, 9169428), (93, 7098912), (96, 6877071), (108, 6112952), (124, 5324184), (144, 4584714), (157, 4205088), (186, 3549456), (216, 3056476), (248, 2662092), (279, 2366304), (288, 2292357), (314, 2102544), (372, 1774728), (432, 1528238), (471, 1401696), (496, 1331046), (558, 1183152), (628, 1051272), (744, 887364), (837, 788768), (864, 764119), (942, 700848), (992, 665523), (1116, 591576), (1256, 525636), (1413, 467232), (1488, 443682), (1674, 394384), (1884, 350424), (2232, 295788), (2512, 262818), (2826, 233616), (2976, 221841), (3348, 197192), (3768, 175212), (4239, 155744), (4464, 147894), (4867, 135648), (5024, 131409), (5652, 116808), (6696, 98596), (7536, 87606), (8478, 77872), (8928, 73947), (9734, 67824), (11304, 58404), (13392, 49298), (14601, 45216), (15072, 43803), (16956, 38936), (19468, 33912), (22608, 29202), (24649, 26784)]