218790720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 280

約数和(自身を含む): 814328064

約数和(自身を除く): 595537344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 320, 324, 345, 360, 367, 368, 405, 414, 432, 460, 480, 540, 552, 576, 621, 648, 690, 720, 734, 736, 810, 828, 864, 920, 960, 1035, 1080, 1101, 1104, 1242, 1296, 1380, 1440, 1468, 1472, 1620, 1656, 1728, 1835, 1840, 1863, 2070, 2160, 2202, 2208, 2484, 2592, 2760, 2880, 2936, 3105, 3240, 3303, 3312, 3670, 3680, 3726, 4140, 4320, 4404, 4416, 4968, 5184, 5505, 5520, 5872, 6210, 6480, 6606, 6624, 7340, 7360, 7452, 8280, 8441, 8640, 8808, 9315, 9909, 9936, 11010, 11040, 11744, 12420, 12960, 13212, 13248, 14680, 14904, 16515, 16560, 16882, 17616, 18630, 19818, 19872, 22020, 22080, 23488, 24840, 25323, 25920, 26424, 29360, 29727, 29808, 33030, 33120, 33764, 35232, 37260, 39636, 39744, 42205, 44040, 49545, 49680, 50646, 52848, 58720, 59454, 59616, 66060, 66240, 67528, 70464, 74520, 75969, 79272, 84410, 88080, 99090, 99360, 101292, 105696, 117440, 118908, 119232, 126615, 132120, 135056, 148635, 149040, 151938, 158544, 168820, 176160, 198180, 198720, 202584, 211392, 227907, 237816, 253230, 264240, 270112, 297270, 298080, 303876, 317088, 337640, 352320, 379845, 396360, 405168, 455814, 475632, 506460, 528480, 540224, 594540, 596160, 607752, 634176, 675280, 683721, 759690, 792720, 810336, 911628, 951264, 1012920, 1056960, 1139535, 1189080, 1215504, 1350560, 1367442, 1519380, 1585440, 1620672, 1823256, 1902528, 2025840, 2279070, 2378160, 2431008, 2701120, 2734884, 3038760, 3170880, 3418605, 3646512, 4051680, 4558140, 4756320, 4862016, 5469768, 6077520, 6837210, 7293024, 8103360, 9116280, 9512640, 10939536, 12155040, 13674420, 14586048, 18232560, 21879072, 24310080, 27348840, 36465120, 43758144, 54697680, 72930240, 109395360, 218790720]

約数ペア:

[(1, 218790720), (2, 109395360), (3, 72930240), (4, 54697680), (5, 43758144), (6, 36465120), (8, 27348840), (9, 24310080), (10, 21879072), (12, 18232560), (15, 14586048), (16, 13674420), (18, 12155040), (20, 10939536), (23, 9512640), (24, 9116280), (27, 8103360), (30, 7293024), (32, 6837210), (36, 6077520), (40, 5469768), (45, 4862016), (46, 4756320), (48, 4558140), (54, 4051680), (60, 3646512), (64, 3418605), (69, 3170880), (72, 3038760), (80, 2734884), (81, 2701120), (90, 2431008), (92, 2378160), (96, 2279070), (108, 2025840), (115, 1902528), (120, 1823256), (135, 1620672), (138, 1585440), (144, 1519380), (160, 1367442), (162, 1350560), (180, 1215504), (184, 1189080), (192, 1139535), (207, 1056960), (216, 1012920), (230, 951264), (240, 911628), (270, 810336), (276, 792720), (288, 759690), (320, 683721), (324, 675280), (345, 634176), (360, 607752), (367, 596160), (368, 594540), (405, 540224), (414, 528480), (432, 506460), (460, 475632), (480, 455814), (540, 405168), (552, 396360), (576, 379845), (621, 352320), (648, 337640), (690, 317088), (720, 303876), (734, 298080), (736, 297270), (810, 270112), (828, 264240), (864, 253230), (920, 237816), (960, 227907), (1035, 211392), (1080, 202584), (1101, 198720), (1104, 198180), (1242, 176160), (1296, 168820), (1380, 158544), (1440, 151938), (1468, 149040), (1472, 148635), (1620, 135056), (1656, 132120), (1728, 126615), (1835, 119232), (1840, 118908), (1863, 117440), (2070, 105696), (2160, 101292), (2202, 99360), (2208, 99090), (2484, 88080), (2592, 84410), (2760, 79272), (2880, 75969), (2936, 74520), (3105, 70464), (3240, 67528), (3303, 66240), (3312, 66060), (3670, 59616), (3680, 59454), (3726, 58720), (4140, 52848), (4320, 50646), (4404, 49680), (4416, 49545), (4968, 44040), (5184, 42205), (5505, 39744), (5520, 39636), (5872, 37260), (6210, 35232), (6480, 33764), (6606, 33120), (6624, 33030), (7340, 29808), (7360, 29727), (7452, 29360), (8280, 26424), (8441, 25920), (8640, 25323), (8808, 24840), (9315, 23488), (9909, 22080), (9936, 22020), (11010, 19872), (11040, 19818), (11744, 18630), (12420, 17616), (12960, 16882), (13212, 16560), (13248, 16515), (14680, 14904)]