281931840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 280

約数和(自身を含む): 1023442200

約数和(自身を除く): 741510360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 73, 80, 81, 90, 96, 108, 120, 135, 144, 146, 149, 160, 162, 180, 192, 216, 219, 240, 270, 288, 292, 298, 320, 324, 360, 365, 405, 432, 438, 447, 480, 540, 576, 584, 596, 648, 657, 720, 730, 745, 810, 864, 876, 894, 960, 1080, 1095, 1168, 1192, 1296, 1314, 1341, 1440, 1460, 1490, 1620, 1728, 1752, 1788, 1971, 2160, 2190, 2235, 2336, 2384, 2592, 2628, 2682, 2880, 2920, 2980, 3240, 3285, 3504, 3576, 3942, 4023, 4320, 4380, 4470, 4672, 4768, 5184, 5256, 5364, 5840, 5913, 5960, 6480, 6570, 6705, 7008, 7152, 7884, 8046, 8640, 8760, 8940, 9536, 9855, 10512, 10728, 10877, 11680, 11826, 11920, 12069, 12960, 13140, 13410, 14016, 14304, 15768, 16092, 17520, 17880, 19710, 20115, 21024, 21456, 21754, 23360, 23652, 23840, 24138, 25920, 26280, 26820, 28608, 29565, 31536, 32184, 32631, 35040, 35760, 39420, 40230, 42048, 42912, 43508, 47304, 47680, 48276, 52560, 53640, 54385, 59130, 60345, 63072, 64368, 65262, 70080, 71520, 78840, 80460, 85824, 87016, 94608, 96552, 97893, 105120, 107280, 108770, 118260, 120690, 126144, 128736, 130524, 143040, 157680, 160920, 163155, 174032, 189216, 193104, 195786, 210240, 214560, 217540, 236520, 241380, 257472, 261048, 293679, 315360, 321840, 326310, 348064, 378432, 386208, 391572, 429120, 435080, 473040, 482760, 489465, 522096, 587358, 630720, 643680, 652620, 696128, 772416, 783144, 870160, 881037, 946080, 965520, 978930, 1044192, 1174716, 1287360, 1305240, 1468395, 1566288, 1740320, 1762074, 1892160, 1931040, 1957860, 2088384, 2349432, 2610480, 2936790, 3132576, 3480640, 3524148, 3862080, 3915720, 4405185, 4698864, 5220960, 5873580, 6265152, 7048296, 7831440, 8810370, 9397728, 10441920, 11747160, 14096592, 15662880, 17620740, 18795456, 23494320, 28193184, 31325760, 35241480, 46988640, 56386368, 70482960, 93977280, 140965920, 281931840]

約数ペア:

[(1, 281931840), (2, 140965920), (3, 93977280), (4, 70482960), (5, 56386368), (6, 46988640), (8, 35241480), (9, 31325760), (10, 28193184), (12, 23494320), (15, 18795456), (16, 17620740), (18, 15662880), (20, 14096592), (24, 11747160), (27, 10441920), (30, 9397728), (32, 8810370), (36, 7831440), (40, 7048296), (45, 6265152), (48, 5873580), (54, 5220960), (60, 4698864), (64, 4405185), (72, 3915720), (73, 3862080), (80, 3524148), (81, 3480640), (90, 3132576), (96, 2936790), (108, 2610480), (120, 2349432), (135, 2088384), (144, 1957860), (146, 1931040), (149, 1892160), (160, 1762074), (162, 1740320), (180, 1566288), (192, 1468395), (216, 1305240), (219, 1287360), (240, 1174716), (270, 1044192), (288, 978930), (292, 965520), (298, 946080), (320, 881037), (324, 870160), (360, 783144), (365, 772416), (405, 696128), (432, 652620), (438, 643680), (447, 630720), (480, 587358), (540, 522096), (576, 489465), (584, 482760), (596, 473040), (648, 435080), (657, 429120), (720, 391572), (730, 386208), (745, 378432), (810, 348064), (864, 326310), (876, 321840), (894, 315360), (960, 293679), (1080, 261048), (1095, 257472), (1168, 241380), (1192, 236520), (1296, 217540), (1314, 214560), (1341, 210240), (1440, 195786), (1460, 193104), (1490, 189216), (1620, 174032), (1728, 163155), (1752, 160920), (1788, 157680), (1971, 143040), (2160, 130524), (2190, 128736), (2235, 126144), (2336, 120690), (2384, 118260), (2592, 108770), (2628, 107280), (2682, 105120), (2880, 97893), (2920, 96552), (2980, 94608), (3240, 87016), (3285, 85824), (3504, 80460), (3576, 78840), (3942, 71520), (4023, 70080), (4320, 65262), (4380, 64368), (4470, 63072), (4672, 60345), (4768, 59130), (5184, 54385), (5256, 53640), (5364, 52560), (5840, 48276), (5913, 47680), (5960, 47304), (6480, 43508), (6570, 42912), (6705, 42048), (7008, 40230), (7152, 39420), (7884, 35760), (8046, 35040), (8640, 32631), (8760, 32184), (8940, 31536), (9536, 29565), (9855, 28608), (10512, 26820), (10728, 26280), (10877, 25920), (11680, 24138), (11826, 23840), (11920, 23652), (12069, 23360), (12960, 21754), (13140, 21456), (13410, 21024), (14016, 20115), (14304, 19710), (15768, 17880), (16092, 17520)]