208481280

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 264

約数和(自身を含む): 778482288

約数和(自身を除く): 570001008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 277, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 554, 560, 588, 640, 672, 735, 768, 784, 831, 840, 896, 960, 980, 1024, 1108, 1120, 1176, 1280, 1344, 1385, 1470, 1536, 1568, 1662, 1680, 1792, 1920, 1939, 1960, 2216, 2240, 2352, 2560, 2688, 2770, 2940, 3072, 3136, 3324, 3360, 3584, 3840, 3878, 3920, 4155, 4432, 4480, 4704, 5120, 5376, 5540, 5817, 5880, 6272, 6648, 6720, 7168, 7680, 7756, 7840, 8310, 8864, 8960, 9408, 9695, 10752, 11080, 11634, 11760, 12544, 13296, 13440, 13573, 15360, 15512, 15680, 16620, 17728, 17920, 18816, 19390, 21504, 22160, 23268, 23520, 25088, 26592, 26880, 27146, 29085, 31024, 31360, 33240, 35456, 35840, 37632, 38780, 40719, 44320, 46536, 47040, 50176, 53184, 53760, 54292, 58170, 62048, 62720, 66480, 67865, 70912, 75264, 77560, 81438, 88640, 93072, 94080, 106368, 107520, 108584, 116340, 124096, 125440, 132960, 135730, 141824, 150528, 155120, 162876, 177280, 186144, 188160, 203595, 212736, 217168, 232680, 248192, 250880, 265920, 271460, 283648, 310240, 325752, 354560, 372288, 376320, 407190, 425472, 434336, 465360, 496384, 531840, 542920, 620480, 651504, 709120, 744576, 752640, 814380, 850944, 868672, 930720, 992768, 1063680, 1085840, 1240960, 1303008, 1418240, 1489152, 1628760, 1737344, 1861440, 1985536, 2127360, 2171680, 2481920, 2606016, 2978304, 3257520, 3474688, 3722880, 4254720, 4343360, 4963840, 5212032, 5956608, 6515040, 6949376, 7445760, 8686720, 9927680, 10424064, 13030080, 13898752, 14891520, 17373440, 20848128, 26060160, 29783040, 34746880, 41696256, 52120320, 69493760, 104240640, 208481280]

約数ペア:

[(1, 208481280), (2, 104240640), (3, 69493760), (4, 52120320), (5, 41696256), (6, 34746880), (7, 29783040), (8, 26060160), (10, 20848128), (12, 17373440), (14, 14891520), (15, 13898752), (16, 13030080), (20, 10424064), (21, 9927680), (24, 8686720), (28, 7445760), (30, 6949376), (32, 6515040), (35, 5956608), (40, 5212032), (42, 4963840), (48, 4343360), (49, 4254720), (56, 3722880), (60, 3474688), (64, 3257520), (70, 2978304), (80, 2606016), (84, 2481920), (96, 2171680), (98, 2127360), (105, 1985536), (112, 1861440), (120, 1737344), (128, 1628760), (140, 1489152), (147, 1418240), (160, 1303008), (168, 1240960), (192, 1085840), (196, 1063680), (210, 992768), (224, 930720), (240, 868672), (245, 850944), (256, 814380), (277, 752640), (280, 744576), (294, 709120), (320, 651504), (336, 620480), (384, 542920), (392, 531840), (420, 496384), (448, 465360), (480, 434336), (490, 425472), (512, 407190), (554, 376320), (560, 372288), (588, 354560), (640, 325752), (672, 310240), (735, 283648), (768, 271460), (784, 265920), (831, 250880), (840, 248192), (896, 232680), (960, 217168), (980, 212736), (1024, 203595), (1108, 188160), (1120, 186144), (1176, 177280), (1280, 162876), (1344, 155120), (1385, 150528), (1470, 141824), (1536, 135730), (1568, 132960), (1662, 125440), (1680, 124096), (1792, 116340), (1920, 108584), (1939, 107520), (1960, 106368), (2216, 94080), (2240, 93072), (2352, 88640), (2560, 81438), (2688, 77560), (2770, 75264), (2940, 70912), (3072, 67865), (3136, 66480), (3324, 62720), (3360, 62048), (3584, 58170), (3840, 54292), (3878, 53760), (3920, 53184), (4155, 50176), (4432, 47040), (4480, 46536), (4704, 44320), (5120, 40719), (5376, 38780), (5540, 37632), (5817, 35840), (5880, 35456), (6272, 33240), (6648, 31360), (6720, 31024), (7168, 29085), (7680, 27146), (7756, 26880), (7840, 26592), (8310, 25088), (8864, 23520), (8960, 23268), (9408, 22160), (9695, 21504), (10752, 19390), (11080, 18816), (11634, 17920), (11760, 17728), (12544, 16620), (13296, 15680), (13440, 15512), (13573, 15360)]