218717280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 772390080

約数和(自身を除く): 553672800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 197, 216, 240, 257, 270, 288, 360, 394, 432, 480, 514, 540, 591, 720, 771, 788, 864, 985, 1028, 1080, 1182, 1285, 1440, 1542, 1576, 1773, 1970, 2056, 2160, 2313, 2364, 2570, 2955, 3084, 3152, 3546, 3855, 3940, 4112, 4320, 4626, 4728, 5140, 5319, 5910, 6168, 6304, 6939, 7092, 7710, 7880, 8224, 8865, 9252, 9456, 10280, 10638, 11565, 11820, 12336, 13878, 14184, 15420, 15760, 17730, 18504, 18912, 20560, 21276, 23130, 23640, 24672, 26595, 27756, 28368, 30840, 31520, 34695, 35460, 37008, 41120, 42552, 46260, 47280, 50629, 53190, 55512, 56736, 61680, 69390, 70920, 74016, 85104, 92520, 94560, 101258, 106380, 111024, 123360, 138780, 141840, 151887, 170208, 185040, 202516, 212760, 222048, 253145, 277560, 283680, 303774, 370080, 405032, 425520, 455661, 506290, 555120, 607548, 759435, 810064, 851040, 911322, 1012580, 1110240, 1215096, 1366983, 1518870, 1620128, 1822644, 2025160, 2278305, 2430192, 2733966, 3037740, 3645288, 4050320, 4556610, 4860384, 5467932, 6075480, 6834915, 7290576, 8100640, 9113220, 10935864, 12150960, 13669830, 14581152, 18226440, 21871728, 24301920, 27339660, 36452880, 43743456, 54679320, 72905760, 109358640, 218717280]

約数ペア:

[(1, 218717280), (2, 109358640), (3, 72905760), (4, 54679320), (5, 43743456), (6, 36452880), (8, 27339660), (9, 24301920), (10, 21871728), (12, 18226440), (15, 14581152), (16, 13669830), (18, 12150960), (20, 10935864), (24, 9113220), (27, 8100640), (30, 7290576), (32, 6834915), (36, 6075480), (40, 5467932), (45, 4860384), (48, 4556610), (54, 4050320), (60, 3645288), (72, 3037740), (80, 2733966), (90, 2430192), (96, 2278305), (108, 2025160), (120, 1822644), (135, 1620128), (144, 1518870), (160, 1366983), (180, 1215096), (197, 1110240), (216, 1012580), (240, 911322), (257, 851040), (270, 810064), (288, 759435), (360, 607548), (394, 555120), (432, 506290), (480, 455661), (514, 425520), (540, 405032), (591, 370080), (720, 303774), (771, 283680), (788, 277560), (864, 253145), (985, 222048), (1028, 212760), (1080, 202516), (1182, 185040), (1285, 170208), (1440, 151887), (1542, 141840), (1576, 138780), (1773, 123360), (1970, 111024), (2056, 106380), (2160, 101258), (2313, 94560), (2364, 92520), (2570, 85104), (2955, 74016), (3084, 70920), (3152, 69390), (3546, 61680), (3855, 56736), (3940, 55512), (4112, 53190), (4320, 50629), (4626, 47280), (4728, 46260), (5140, 42552), (5319, 41120), (5910, 37008), (6168, 35460), (6304, 34695), (6939, 31520), (7092, 30840), (7710, 28368), (7880, 27756), (8224, 26595), (8865, 24672), (9252, 23640), (9456, 23130), (10280, 21276), (10638, 20560), (11565, 18912), (11820, 18504), (12336, 17730), (13878, 15760), (14184, 15420)]