20440451520

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4373}}^1$

素因数の和:4940

約数の個数: 224

約数和(自身を含む): 72259179840

約数和(自身を除く): 51818728320

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, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 541, 576, 720, 864, 960, 1080, 1082, 1440, 1623, 1728, 2160, 2164, 2705, 2880, 3246, 4320, 4328, 4373, 4869, 5410, 6492, 8115, 8640, 8656, 8746, 9738, 10820, 12984, 13119, 14607, 16230, 17312, 17492, 19476, 21640, 21865, 24345, 25968, 26238, 29214, 32460, 34624, 34984, 38952, 39357, 43280, 43730, 48690, 51936, 52476, 58428, 64920, 65595, 69968, 73035, 77904, 78714, 86560, 87460, 97380, 103872, 104952, 116856, 118071, 129840, 131190, 139936, 146070, 155808, 157428, 173120, 174920, 194760, 196785, 209904, 233712, 236142, 259680, 262380, 279872, 292140, 311616, 314856, 349840, 389520, 393570, 419808, 467424, 472284, 519360, 524760, 584280, 590355, 629712, 699680, 779040, 787140, 839616, 934848, 944568, 1049520, 1168560, 1180710, 1259424, 1399360, 1558080, 1574280, 1889136, 2099040, 2337120, 2361420, 2365793, 2518848, 3148560, 3778272, 4198080, 4674240, 4722840, 4731586, 6297120, 7097379, 7556544, 9445680, 9463172, 11828965, 12594240, 14194758, 18891360, 18926344, 21292137, 23657930, 28389516, 35486895, 37782720, 37852688, 42584274, 47315860, 56779032, 63876411, 70973790, 75705376, 85168548, 94631720, 106460685, 113558064, 127752822, 141947580, 151410752, 170337096, 189263440, 212921370, 227116128, 255505644, 283895160, 319382055, 340674192, 378526880, 425842740, 454232256, 511011288, 567790320, 638764110, 681348384, 757053760, 851685480, 1022022576, 1135580640, 1277528220, 1362696768, 1703370960, 2044045152, 2271161280, 2555056440, 3406741920, 4088090304, 5110112880, 6813483840, 10220225760, 20440451520]

約数ペア:

[(1, 20440451520), (2, 10220225760), (3, 6813483840), (4, 5110112880), (5, 4088090304), (6, 3406741920), (8, 2555056440), (9, 2271161280), (10, 2044045152), (12, 1703370960), (15, 1362696768), (16, 1277528220), (18, 1135580640), (20, 1022022576), (24, 851685480), (27, 757053760), (30, 681348384), (32, 638764110), (36, 567790320), (40, 511011288), (45, 454232256), (48, 425842740), (54, 378526880), (60, 340674192), (64, 319382055), (72, 283895160), (80, 255505644), (90, 227116128), (96, 212921370), (108, 189263440), (120, 170337096), (135, 151410752), (144, 141947580), (160, 127752822), (180, 113558064), (192, 106460685), (216, 94631720), (240, 85168548), (270, 75705376), (288, 70973790), (320, 63876411), (360, 56779032), (432, 47315860), (480, 42584274), (540, 37852688), (541, 37782720), (576, 35486895), (720, 28389516), (864, 23657930), (960, 21292137), (1080, 18926344), (1082, 18891360), (1440, 14194758), (1623, 12594240), (1728, 11828965), (2160, 9463172), (2164, 9445680), (2705, 7556544), (2880, 7097379), (3246, 6297120), (4320, 4731586), (4328, 4722840), (4373, 4674240), (4869, 4198080), (5410, 3778272), (6492, 3148560), (8115, 2518848), (8640, 2365793), (8656, 2361420), (8746, 2337120), (9738, 2099040), (10820, 1889136), (12984, 1574280), (13119, 1558080), (14607, 1399360), (16230, 1259424), (17312, 1180710), (17492, 1168560), (19476, 1049520), (21640, 944568), (21865, 934848), (24345, 839616), (25968, 787140), (26238, 779040), (29214, 699680), (32460, 629712), (34624, 590355), (34984, 584280), (38952, 524760), (39357, 519360), (43280, 472284), (43730, 467424), (48690, 419808), (51936, 393570), (52476, 389520), (58428, 349840), (64920, 314856), (65595, 311616), (69968, 292140), (73035, 279872), (77904, 262380), (78714, 259680), (86560, 236142), (87460, 233712), (97380, 209904), (103872, 196785), (104952, 194760), (116856, 174920), (118071, 173120), (129840, 157428), (131190, 155808), (139936, 146070)]