81077040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 240

約数和(自身を含む): 308149920

約数和(自身を除く): 227072880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 48, 55, 58, 60, 66, 72, 80, 87, 88, 90, 99, 110, 116, 120, 132, 144, 145, 165, 174, 176, 180, 198, 220, 232, 240, 261, 264, 290, 319, 330, 348, 353, 360, 396, 435, 440, 464, 495, 522, 528, 580, 638, 660, 696, 706, 720, 792, 870, 880, 957, 990, 1044, 1059, 1160, 1276, 1305, 1320, 1392, 1412, 1584, 1595, 1740, 1765, 1914, 1980, 2088, 2118, 2320, 2552, 2610, 2640, 2824, 2871, 3177, 3190, 3480, 3530, 3828, 3883, 3960, 4176, 4236, 4785, 5104, 5220, 5295, 5648, 5742, 6354, 6380, 6960, 7060, 7656, 7766, 7920, 8472, 9570, 10237, 10440, 10590, 11484, 11649, 12708, 12760, 14120, 14355, 15312, 15532, 15885, 16944, 19140, 19415, 20474, 20880, 21180, 22968, 23298, 25416, 25520, 28240, 28710, 30711, 31064, 31770, 34947, 38280, 38830, 40948, 42360, 45936, 46596, 50832, 51185, 57420, 58245, 61422, 62128, 63540, 69894, 76560, 77660, 81896, 84720, 92133, 93192, 102370, 112607, 114840, 116490, 122844, 127080, 139788, 153555, 155320, 163792, 174735, 184266, 186384, 204740, 225214, 229680, 232980, 245688, 254160, 279576, 307110, 310640, 337821, 349470, 368532, 409480, 450428, 460665, 465960, 491376, 559152, 563035, 614220, 675642, 698940, 737064, 818960, 900856, 921330, 931920, 1013463, 1126070, 1228440, 1351284, 1397880, 1474128, 1689105, 1801712, 1842660, 2026926, 2252140, 2456880, 2702568, 2795760, 3378210, 3685320, 4053852, 4504280, 5067315, 5405136, 6756420, 7370640, 8107704, 9008560, 10134630, 13512840, 16215408, 20269260, 27025680, 40538520, 81077040]

約数ペア:

[(1, 81077040), (2, 40538520), (3, 27025680), (4, 20269260), (5, 16215408), (6, 13512840), (8, 10134630), (9, 9008560), (10, 8107704), (11, 7370640), (12, 6756420), (15, 5405136), (16, 5067315), (18, 4504280), (20, 4053852), (22, 3685320), (24, 3378210), (29, 2795760), (30, 2702568), (33, 2456880), (36, 2252140), (40, 2026926), (44, 1842660), (45, 1801712), (48, 1689105), (55, 1474128), (58, 1397880), (60, 1351284), (66, 1228440), (72, 1126070), (80, 1013463), (87, 931920), (88, 921330), (90, 900856), (99, 818960), (110, 737064), (116, 698940), (120, 675642), (132, 614220), (144, 563035), (145, 559152), (165, 491376), (174, 465960), (176, 460665), (180, 450428), (198, 409480), (220, 368532), (232, 349470), (240, 337821), (261, 310640), (264, 307110), (290, 279576), (319, 254160), (330, 245688), (348, 232980), (353, 229680), (360, 225214), (396, 204740), (435, 186384), (440, 184266), (464, 174735), (495, 163792), (522, 155320), (528, 153555), (580, 139788), (638, 127080), (660, 122844), (696, 116490), (706, 114840), (720, 112607), (792, 102370), (870, 93192), (880, 92133), (957, 84720), (990, 81896), (1044, 77660), (1059, 76560), (1160, 69894), (1276, 63540), (1305, 62128), (1320, 61422), (1392, 58245), (1412, 57420), (1584, 51185), (1595, 50832), (1740, 46596), (1765, 45936), (1914, 42360), (1980, 40948), (2088, 38830), (2118, 38280), (2320, 34947), (2552, 31770), (2610, 31064), (2640, 30711), (2824, 28710), (2871, 28240), (3177, 25520), (3190, 25416), (3480, 23298), (3530, 22968), (3828, 21180), (3883, 20880), (3960, 20474), (4176, 19415), (4236, 19140), (4785, 16944), (5104, 15885), (5220, 15532), (5295, 15312), (5648, 14355), (5742, 14120), (6354, 12760), (6380, 12708), (6960, 11649), (7060, 11484), (7656, 10590), (7766, 10440), (7920, 10237), (8472, 9570)]