211207680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 746871840

約数和(自身を除く): 535664160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 103, 120, 128, 144, 160, 178, 180, 192, 206, 240, 256, 267, 288, 309, 320, 356, 360, 384, 412, 445, 480, 512, 515, 534, 576, 618, 640, 712, 720, 768, 801, 824, 890, 927, 960, 1030, 1068, 1152, 1236, 1280, 1335, 1424, 1440, 1536, 1545, 1602, 1648, 1780, 1854, 1920, 2060, 2136, 2304, 2472, 2560, 2670, 2848, 2880, 3090, 3204, 3296, 3560, 3708, 3840, 4005, 4120, 4272, 4608, 4635, 4944, 5340, 5696, 5760, 6180, 6408, 6592, 7120, 7416, 7680, 8010, 8240, 8544, 9167, 9270, 9888, 10680, 11392, 11520, 12360, 12816, 13184, 14240, 14832, 16020, 16480, 17088, 18334, 18540, 19776, 21360, 22784, 23040, 24720, 25632, 26368, 27501, 28480, 29664, 32040, 32960, 34176, 36668, 37080, 39552, 42720, 45568, 45835, 49440, 51264, 52736, 55002, 56960, 59328, 64080, 65920, 68352, 73336, 74160, 79104, 82503, 85440, 91670, 98880, 102528, 110004, 113920, 118656, 128160, 131840, 136704, 137505, 146672, 148320, 158208, 165006, 170880, 183340, 197760, 205056, 220008, 227840, 237312, 256320, 263680, 275010, 293344, 296640, 330012, 341760, 366680, 395520, 410112, 412515, 440016, 474624, 512640, 550020, 586688, 593280, 660024, 683520, 733360, 791040, 825030, 880032, 1025280, 1100040, 1173376, 1186560, 1320048, 1466720, 1650060, 1760064, 2050560, 2200080, 2346752, 2373120, 2640096, 2933440, 3300120, 3520128, 4400160, 4693504, 5280192, 5866880, 6600240, 7040256, 8800320, 10560384, 11733760, 13200480, 14080512, 17600640, 21120768, 23467520, 26400960, 35201280, 42241536, 52801920, 70402560, 105603840, 211207680]

約数ペア:

[(1, 211207680), (2, 105603840), (3, 70402560), (4, 52801920), (5, 42241536), (6, 35201280), (8, 26400960), (9, 23467520), (10, 21120768), (12, 17600640), (15, 14080512), (16, 13200480), (18, 11733760), (20, 10560384), (24, 8800320), (30, 7040256), (32, 6600240), (36, 5866880), (40, 5280192), (45, 4693504), (48, 4400160), (60, 3520128), (64, 3300120), (72, 2933440), (80, 2640096), (89, 2373120), (90, 2346752), (96, 2200080), (103, 2050560), (120, 1760064), (128, 1650060), (144, 1466720), (160, 1320048), (178, 1186560), (180, 1173376), (192, 1100040), (206, 1025280), (240, 880032), (256, 825030), (267, 791040), (288, 733360), (309, 683520), (320, 660024), (356, 593280), (360, 586688), (384, 550020), (412, 512640), (445, 474624), (480, 440016), (512, 412515), (515, 410112), (534, 395520), (576, 366680), (618, 341760), (640, 330012), (712, 296640), (720, 293344), (768, 275010), (801, 263680), (824, 256320), (890, 237312), (927, 227840), (960, 220008), (1030, 205056), (1068, 197760), (1152, 183340), (1236, 170880), (1280, 165006), (1335, 158208), (1424, 148320), (1440, 146672), (1536, 137505), (1545, 136704), (1602, 131840), (1648, 128160), (1780, 118656), (1854, 113920), (1920, 110004), (2060, 102528), (2136, 98880), (2304, 91670), (2472, 85440), (2560, 82503), (2670, 79104), (2848, 74160), (2880, 73336), (3090, 68352), (3204, 65920), (3296, 64080), (3560, 59328), (3708, 56960), (3840, 55002), (4005, 52736), (4120, 51264), (4272, 49440), (4608, 45835), (4635, 45568), (4944, 42720), (5340, 39552), (5696, 37080), (5760, 36668), (6180, 34176), (6408, 32960), (6592, 32040), (7120, 29664), (7416, 28480), (7680, 27501), (8010, 26368), (8240, 25632), (8544, 24720), (9167, 23040), (9270, 22784), (9888, 21360), (10680, 19776), (11392, 18540), (11520, 18334), (12360, 17088), (12816, 16480), (13184, 16020), (14240, 14832)]