215982720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 256

約数和(自身を含む): 793152000

約数和(自身を除く): 577169280

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, 431, 432, 435, 464, 480, 522, 540, 576, 580, 640, 696, 720, 783, 862, 864, 870, 928, 960, 1044, 1080, 1152, 1160, 1293, 1305, 1392, 1440, 1566, 1724, 1728, 1740, 1856, 1920, 2088, 2155, 2160, 2320, 2586, 2610, 2784, 2880, 3132, 3448, 3456, 3480, 3712, 3879, 3915, 4176, 4310, 4320, 4640, 5172, 5220, 5568, 5760, 6264, 6465, 6896, 6960, 7758, 7830, 8352, 8620, 8640, 9280, 10344, 10440, 11136, 11637, 12499, 12528, 12930, 13792, 13920, 15516, 15660, 16704, 17240, 17280, 18560, 19395, 20688, 20880, 23274, 24998, 25056, 25860, 27584, 27840, 31032, 31320, 33408, 34480, 37497, 38790, 41376, 41760, 46548, 49996, 50112, 51720, 55168, 55680, 58185, 62064, 62495, 62640, 68960, 74994, 77580, 82752, 83520, 93096, 99992, 100224, 103440, 112491, 116370, 124128, 124990, 125280, 137920, 149988, 155160, 165504, 167040, 186192, 187485, 199984, 206880, 224982, 232740, 248256, 249980, 250560, 275840, 299976, 310320, 337473, 372384, 374970, 399968, 413760, 449964, 465480, 496512, 499960, 501120, 562455, 599952, 620640, 674946, 744768, 749940, 799936, 827520, 899928, 930960, 999920, 1124910, 1199904, 1241280, 1349892, 1489536, 1499880, 1599872, 1687365, 1799856, 1861920, 1999840, 2249820, 2399808, 2482560, 2699784, 2999760, 3374730, 3599712, 3723840, 3999680, 4499640, 4799616, 5399568, 5999520, 6749460, 7199424, 7447680, 7999360, 8999280, 10799136, 11999040, 13498920, 14398848, 17998560, 21598272, 23998080, 26997840, 35997120, 43196544, 53995680, 71994240, 107991360, 215982720]

約数ペア:

[(1, 215982720), (2, 107991360), (3, 71994240), (4, 53995680), (5, 43196544), (6, 35997120), (8, 26997840), (9, 23998080), (10, 21598272), (12, 17998560), (15, 14398848), (16, 13498920), (18, 11999040), (20, 10799136), (24, 8999280), (27, 7999360), (29, 7447680), (30, 7199424), (32, 6749460), (36, 5999520), (40, 5399568), (45, 4799616), (48, 4499640), (54, 3999680), (58, 3723840), (60, 3599712), (64, 3374730), (72, 2999760), (80, 2699784), (87, 2482560), (90, 2399808), (96, 2249820), (108, 1999840), (116, 1861920), (120, 1799856), (128, 1687365), (135, 1599872), (144, 1499880), (145, 1489536), (160, 1349892), (174, 1241280), (180, 1199904), (192, 1124910), (216, 999920), (232, 930960), (240, 899928), (261, 827520), (270, 799936), (288, 749940), (290, 744768), (320, 674946), (348, 620640), (360, 599952), (384, 562455), (431, 501120), (432, 499960), (435, 496512), (464, 465480), (480, 449964), (522, 413760), (540, 399968), (576, 374970), (580, 372384), (640, 337473), (696, 310320), (720, 299976), (783, 275840), (862, 250560), (864, 249980), (870, 248256), (928, 232740), (960, 224982), (1044, 206880), (1080, 199984), (1152, 187485), (1160, 186192), (1293, 167040), (1305, 165504), (1392, 155160), (1440, 149988), (1566, 137920), (1724, 125280), (1728, 124990), (1740, 124128), (1856, 116370), (1920, 112491), (2088, 103440), (2155, 100224), (2160, 99992), (2320, 93096), (2586, 83520), (2610, 82752), (2784, 77580), (2880, 74994), (3132, 68960), (3448, 62640), (3456, 62495), (3480, 62064), (3712, 58185), (3879, 55680), (3915, 55168), (4176, 51720), (4310, 50112), (4320, 49996), (4640, 46548), (5172, 41760), (5220, 41376), (5568, 38790), (5760, 37497), (6264, 34480), (6465, 33408), (6896, 31320), (6960, 31032), (7758, 27840), (7830, 27584), (8352, 25860), (8620, 25056), (8640, 24998), (9280, 23274), (10344, 20880), (10440, 20688), (11136, 19395), (11637, 18560), (12499, 17280), (12528, 17240), (12930, 16704), (13792, 15660), (13920, 15516)]