278284320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1297}}^1$

素因数の和:1467

約数の個数: 144

約数和(自身を含む): 956755800

約数和(自身を除く): 678471480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 149, 160, 180, 240, 288, 298, 360, 447, 480, 596, 720, 745, 894, 1192, 1297, 1341, 1440, 1490, 1788, 2235, 2384, 2594, 2682, 2980, 3576, 3891, 4470, 4768, 5188, 5364, 5960, 6485, 6705, 7152, 7782, 8940, 10376, 10728, 11673, 11920, 12970, 13410, 14304, 15564, 17880, 19455, 20752, 21456, 23346, 23840, 25940, 26820, 31128, 35760, 38910, 41504, 42912, 46692, 51880, 53640, 58365, 62256, 71520, 77820, 93384, 103760, 107280, 116730, 124512, 155640, 186768, 193253, 207520, 214560, 233460, 311280, 373536, 386506, 466920, 579759, 622560, 773012, 933840, 966265, 1159518, 1546024, 1739277, 1867680, 1932530, 2319036, 2898795, 3092048, 3478554, 3865060, 4638072, 5797590, 6184096, 6957108, 7730120, 8696385, 9276144, 11595180, 13914216, 15460240, 17392770, 18552288, 23190360, 27828432, 30920480, 34785540, 46380720, 55656864, 69571080, 92761440, 139142160, 278284320]

約数ペア:

[(1, 278284320), (2, 139142160), (3, 92761440), (4, 69571080), (5, 55656864), (6, 46380720), (8, 34785540), (9, 30920480), (10, 27828432), (12, 23190360), (15, 18552288), (16, 17392770), (18, 15460240), (20, 13914216), (24, 11595180), (30, 9276144), (32, 8696385), (36, 7730120), (40, 6957108), (45, 6184096), (48, 5797590), (60, 4638072), (72, 3865060), (80, 3478554), (90, 3092048), (96, 2898795), (120, 2319036), (144, 1932530), (149, 1867680), (160, 1739277), (180, 1546024), (240, 1159518), (288, 966265), (298, 933840), (360, 773012), (447, 622560), (480, 579759), (596, 466920), (720, 386506), (745, 373536), (894, 311280), (1192, 233460), (1297, 214560), (1341, 207520), (1440, 193253), (1490, 186768), (1788, 155640), (2235, 124512), (2384, 116730), (2594, 107280), (2682, 103760), (2980, 93384), (3576, 77820), (3891, 71520), (4470, 62256), (4768, 58365), (5188, 53640), (5364, 51880), (5960, 46692), (6485, 42912), (6705, 41504), (7152, 38910), (7782, 35760), (8940, 31128), (10376, 26820), (10728, 25940), (11673, 23840), (11920, 23346), (12970, 21456), (13410, 20752), (14304, 19455), (15564, 17880)]