21770880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 256

約数和(自身を含む): 79315200

約数和(自身を除く): 57544320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 29, 30, 32, 34, 40, 46, 48, 51, 58, 60, 64, 68, 69, 80, 85, 87, 92, 96, 102, 115, 116, 120, 128, 136, 138, 145, 160, 170, 174, 184, 192, 204, 230, 232, 240, 255, 272, 276, 290, 320, 340, 345, 348, 368, 384, 391, 408, 435, 460, 464, 480, 493, 510, 544, 552, 580, 640, 667, 680, 690, 696, 736, 782, 816, 870, 920, 928, 960, 986, 1020, 1088, 1104, 1160, 1173, 1334, 1360, 1380, 1392, 1472, 1479, 1564, 1632, 1740, 1840, 1856, 1920, 1955, 1972, 2001, 2040, 2176, 2208, 2320, 2346, 2465, 2668, 2720, 2760, 2784, 2944, 2958, 3128, 3264, 3335, 3480, 3680, 3712, 3910, 3944, 4002, 4080, 4416, 4640, 4692, 4930, 5336, 5440, 5520, 5568, 5865, 5916, 6256, 6528, 6670, 6960, 7360, 7395, 7820, 7888, 8004, 8160, 8832, 9280, 9384, 9860, 10005, 10672, 10880, 11040, 11136, 11339, 11730, 11832, 12512, 13340, 13920, 14720, 14790, 15640, 15776, 16008, 16320, 18560, 18768, 19720, 20010, 21344, 22080, 22678, 23460, 23664, 25024, 26680, 27840, 29580, 31280, 31552, 32016, 32640, 34017, 37536, 39440, 40020, 42688, 44160, 45356, 46920, 47328, 50048, 53360, 55680, 56695, 59160, 62560, 63104, 64032, 68034, 75072, 78880, 80040, 85376, 90712, 93840, 94656, 106720, 113390, 118320, 125120, 128064, 136068, 150144, 157760, 160080, 170085, 181424, 187680, 189312, 213440, 226780, 236640, 250240, 256128, 272136, 315520, 320160, 340170, 362848, 375360, 426880, 453560, 473280, 544272, 640320, 680340, 725696, 750720, 907120, 946560, 1088544, 1280640, 1360680, 1451392, 1814240, 2177088, 2721360, 3628480, 4354176, 5442720, 7256960, 10885440, 21770880]

約数ペア:

[(1, 21770880), (2, 10885440), (3, 7256960), (4, 5442720), (5, 4354176), (6, 3628480), (8, 2721360), (10, 2177088), (12, 1814240), (15, 1451392), (16, 1360680), (17, 1280640), (20, 1088544), (23, 946560), (24, 907120), (29, 750720), (30, 725696), (32, 680340), (34, 640320), (40, 544272), (46, 473280), (48, 453560), (51, 426880), (58, 375360), (60, 362848), (64, 340170), (68, 320160), (69, 315520), (80, 272136), (85, 256128), (87, 250240), (92, 236640), (96, 226780), (102, 213440), (115, 189312), (116, 187680), (120, 181424), (128, 170085), (136, 160080), (138, 157760), (145, 150144), (160, 136068), (170, 128064), (174, 125120), (184, 118320), (192, 113390), (204, 106720), (230, 94656), (232, 93840), (240, 90712), (255, 85376), (272, 80040), (276, 78880), (290, 75072), (320, 68034), (340, 64032), (345, 63104), (348, 62560), (368, 59160), (384, 56695), (391, 55680), (408, 53360), (435, 50048), (460, 47328), (464, 46920), (480, 45356), (493, 44160), (510, 42688), (544, 40020), (552, 39440), (580, 37536), (640, 34017), (667, 32640), (680, 32016), (690, 31552), (696, 31280), (736, 29580), (782, 27840), (816, 26680), (870, 25024), (920, 23664), (928, 23460), (960, 22678), (986, 22080), (1020, 21344), (1088, 20010), (1104, 19720), (1160, 18768), (1173, 18560), (1334, 16320), (1360, 16008), (1380, 15776), (1392, 15640), (1472, 14790), (1479, 14720), (1564, 13920), (1632, 13340), (1740, 12512), (1840, 11832), (1856, 11730), (1920, 11339), (1955, 11136), (1972, 11040), (2001, 10880), (2040, 10672), (2176, 10005), (2208, 9860), (2320, 9384), (2346, 9280), (2465, 8832), (2668, 8160), (2720, 8004), (2760, 7888), (2784, 7820), (2944, 7395), (2958, 7360), (3128, 6960), (3264, 6670), (3335, 6528), (3480, 6256), (3680, 5916), (3712, 5865), (3910, 5568), (3944, 5520), (4002, 5440), (4080, 5336), (4416, 4930), (4640, 4692)]