219991680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 256

約数和(自身を含む): 807840000

約数和(自身を除く): 587848320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 439, 464, 480, 522, 540, 576, 580, 640, 696, 720, 783, 864, 870, 878, 928, 960, 1044, 1080, 1152, 1160, 1305, 1317, 1392, 1440, 1566, 1728, 1740, 1756, 1856, 1920, 2088, 2160, 2195, 2320, 2610, 2634, 2784, 2880, 3132, 3456, 3480, 3512, 3712, 3915, 3951, 4176, 4320, 4390, 4640, 5220, 5268, 5568, 5760, 6264, 6585, 6960, 7024, 7830, 7902, 8352, 8640, 8780, 9280, 10440, 10536, 11136, 11853, 12528, 12731, 13170, 13920, 14048, 15660, 15804, 16704, 17280, 17560, 18560, 19755, 20880, 21072, 23706, 25056, 25462, 26340, 27840, 28096, 31320, 31608, 33408, 35120, 38193, 39510, 41760, 42144, 47412, 50112, 50924, 52680, 55680, 56192, 59265, 62640, 63216, 63655, 70240, 76386, 79020, 83520, 84288, 94824, 100224, 101848, 105360, 114579, 118530, 125280, 126432, 127310, 140480, 152772, 158040, 167040, 168576, 189648, 190965, 203696, 210720, 229158, 237060, 250560, 252864, 254620, 280960, 305544, 316080, 343737, 379296, 381930, 407392, 421440, 458316, 474120, 501120, 505728, 509240, 572895, 611088, 632160, 687474, 758592, 763860, 814784, 842880, 916632, 948240, 1018480, 1145790, 1222176, 1264320, 1374948, 1517184, 1527720, 1629568, 1718685, 1833264, 1896480, 2036960, 2291580, 2444352, 2528640, 2749896, 3055440, 3437370, 3666528, 3792960, 4073920, 4583160, 4888704, 5499792, 6110880, 6874740, 7333056, 7585920, 8147840, 9166320, 10999584, 12221760, 13749480, 14666112, 18332640, 21999168, 24443520, 27498960, 36665280, 43998336, 54997920, 73330560, 109995840, 219991680]

約数ペア:

[(1, 219991680), (2, 109995840), (3, 73330560), (4, 54997920), (5, 43998336), (6, 36665280), (8, 27498960), (9, 24443520), (10, 21999168), (12, 18332640), (15, 14666112), (16, 13749480), (18, 12221760), (20, 10999584), (24, 9166320), (27, 8147840), (29, 7585920), (30, 7333056), (32, 6874740), (36, 6110880), (40, 5499792), (45, 4888704), (48, 4583160), (54, 4073920), (58, 3792960), (60, 3666528), (64, 3437370), (72, 3055440), (80, 2749896), (87, 2528640), (90, 2444352), (96, 2291580), (108, 2036960), (116, 1896480), (120, 1833264), (128, 1718685), (135, 1629568), (144, 1527720), (145, 1517184), (160, 1374948), (174, 1264320), (180, 1222176), (192, 1145790), (216, 1018480), (232, 948240), (240, 916632), (261, 842880), (270, 814784), (288, 763860), (290, 758592), (320, 687474), (348, 632160), (360, 611088), (384, 572895), (432, 509240), (435, 505728), (439, 501120), (464, 474120), (480, 458316), (522, 421440), (540, 407392), (576, 381930), (580, 379296), (640, 343737), (696, 316080), (720, 305544), (783, 280960), (864, 254620), (870, 252864), (878, 250560), (928, 237060), (960, 229158), (1044, 210720), (1080, 203696), (1152, 190965), (1160, 189648), (1305, 168576), (1317, 167040), (1392, 158040), (1440, 152772), (1566, 140480), (1728, 127310), (1740, 126432), (1756, 125280), (1856, 118530), (1920, 114579), (2088, 105360), (2160, 101848), (2195, 100224), (2320, 94824), (2610, 84288), (2634, 83520), (2784, 79020), (2880, 76386), (3132, 70240), (3456, 63655), (3480, 63216), (3512, 62640), (3712, 59265), (3915, 56192), (3951, 55680), (4176, 52680), (4320, 50924), (4390, 50112), (4640, 47412), (5220, 42144), (5268, 41760), (5568, 39510), (5760, 38193), (6264, 35120), (6585, 33408), (6960, 31608), (7024, 31320), (7830, 28096), (7902, 27840), (8352, 26340), (8640, 25462), (8780, 25056), (9280, 23706), (10440, 21072), (10536, 20880), (11136, 19755), (11853, 18560), (12528, 17560), (12731, 17280), (13170, 16704), (13920, 15804), (14048, 15660)]