66481920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 216

約数和(自身を含む): 239148000

約数和(自身を除く): 172666080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 199, 232, 240, 256, 261, 288, 290, 320, 348, 360, 384, 398, 435, 464, 480, 522, 576, 580, 597, 640, 696, 720, 768, 796, 870, 928, 960, 995, 1044, 1152, 1160, 1194, 1280, 1305, 1392, 1440, 1592, 1740, 1791, 1856, 1920, 1990, 2088, 2304, 2320, 2388, 2610, 2784, 2880, 2985, 3184, 3480, 3582, 3712, 3840, 3980, 4176, 4640, 4776, 5220, 5568, 5760, 5771, 5970, 6368, 6960, 7164, 7424, 7960, 8352, 8955, 9280, 9552, 10440, 11136, 11520, 11542, 11940, 12736, 13920, 14328, 15920, 16704, 17313, 17910, 18560, 19104, 20880, 22272, 23084, 23880, 25472, 27840, 28656, 28855, 31840, 33408, 34626, 35820, 37120, 38208, 41760, 46168, 47760, 50944, 51939, 55680, 57312, 57710, 63680, 66816, 69252, 71640, 76416, 83520, 86565, 92336, 95520, 103878, 111360, 114624, 115420, 127360, 138504, 143280, 152832, 167040, 173130, 184672, 191040, 207756, 229248, 230840, 254720, 259695, 277008, 286560, 334080, 346260, 369344, 382080, 415512, 458496, 461680, 519390, 554016, 573120, 692520, 738688, 764160, 831024, 923360, 1038780, 1108032, 1146240, 1385040, 1477376, 1662048, 1846720, 2077560, 2216064, 2292480, 2770080, 3324096, 3693440, 4155120, 4432128, 5540160, 6648192, 7386880, 8310240, 11080320, 13296384, 16620480, 22160640, 33240960, 66481920]

約数ペア:

[(1, 66481920), (2, 33240960), (3, 22160640), (4, 16620480), (5, 13296384), (6, 11080320), (8, 8310240), (9, 7386880), (10, 6648192), (12, 5540160), (15, 4432128), (16, 4155120), (18, 3693440), (20, 3324096), (24, 2770080), (29, 2292480), (30, 2216064), (32, 2077560), (36, 1846720), (40, 1662048), (45, 1477376), (48, 1385040), (58, 1146240), (60, 1108032), (64, 1038780), (72, 923360), (80, 831024), (87, 764160), (90, 738688), (96, 692520), (116, 573120), (120, 554016), (128, 519390), (144, 461680), (145, 458496), (160, 415512), (174, 382080), (180, 369344), (192, 346260), (199, 334080), (232, 286560), (240, 277008), (256, 259695), (261, 254720), (288, 230840), (290, 229248), (320, 207756), (348, 191040), (360, 184672), (384, 173130), (398, 167040), (435, 152832), (464, 143280), (480, 138504), (522, 127360), (576, 115420), (580, 114624), (597, 111360), (640, 103878), (696, 95520), (720, 92336), (768, 86565), (796, 83520), (870, 76416), (928, 71640), (960, 69252), (995, 66816), (1044, 63680), (1152, 57710), (1160, 57312), (1194, 55680), (1280, 51939), (1305, 50944), (1392, 47760), (1440, 46168), (1592, 41760), (1740, 38208), (1791, 37120), (1856, 35820), (1920, 34626), (1990, 33408), (2088, 31840), (2304, 28855), (2320, 28656), (2388, 27840), (2610, 25472), (2784, 23880), (2880, 23084), (2985, 22272), (3184, 20880), (3480, 19104), (3582, 18560), (3712, 17910), (3840, 17313), (3980, 16704), (4176, 15920), (4640, 14328), (4776, 13920), (5220, 12736), (5568, 11940), (5760, 11542), (5771, 11520), (5970, 11136), (6368, 10440), (6960, 9552), (7164, 9280), (7424, 8955), (7960, 8352)]