20499797760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2459}}^1$

素因数の和:2663

約数の個数: 288

約数和(自身を含む): 70958522880

約数和(自身を除く): 50458725120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 167, 192, 195, 208, 240, 256, 260, 312, 320, 334, 384, 390, 416, 480, 501, 520, 624, 640, 668, 768, 780, 832, 835, 960, 1002, 1040, 1248, 1280, 1336, 1560, 1664, 1670, 1920, 2004, 2080, 2171, 2459, 2496, 2505, 2672, 3120, 3328, 3340, 3840, 4008, 4160, 4342, 4918, 4992, 5010, 5344, 6240, 6513, 6680, 7377, 8016, 8320, 8684, 9836, 9984, 10020, 10688, 10855, 12295, 12480, 13026, 13360, 14754, 16032, 16640, 17368, 19672, 20040, 21376, 21710, 24590, 24960, 26052, 26720, 29508, 31967, 32064, 32565, 34736, 36885, 39344, 40080, 42752, 43420, 49180, 49920, 52104, 53440, 59016, 63934, 64128, 65130, 69472, 73770, 78688, 80160, 86840, 95901, 98360, 104208, 106880, 118032, 127868, 128256, 130260, 138944, 147540, 157376, 159835, 160320, 173680, 191802, 196720, 208416, 213760, 236064, 255736, 260520, 277888, 295080, 314752, 319670, 320640, 347360, 383604, 393440, 410653, 416832, 472128, 479505, 511472, 521040, 555776, 590160, 629504, 639340, 641280, 694720, 767208, 786880, 821306, 833664, 944256, 959010, 1022944, 1042080, 1180320, 1231959, 1278680, 1389440, 1534416, 1573760, 1642612, 1667328, 1888512, 1918020, 2045888, 2053265, 2084160, 2360640, 2463918, 2557360, 2778880, 3068832, 3147520, 3285224, 3836040, 4091776, 4106530, 4168320, 4721280, 4927836, 5114720, 5338489, 6137664, 6159795, 6570448, 7672080, 8183552, 8213060, 8336640, 9442560, 9855672, 10229440, 10676978, 12275328, 12319590, 13140896, 15344160, 16015467, 16426120, 19711344, 20458880, 21353956, 24550656, 24639180, 26281792, 26692445, 30688320, 32030934, 32852240, 39422688, 40917760, 42707912, 49278360, 52563584, 53384890, 61376640, 64061868, 65704480, 78845376, 80077335, 85415824, 98556720, 105127168, 106769780, 122753280, 128123736, 131408960, 157690752, 160154670, 170831648, 197113440, 213539560, 256247472, 262817920, 315381504, 320309340, 341663296, 394226880, 427079120, 512494944, 525635840, 640618680, 683326592, 788453760, 854158240, 1024989888, 1281237360, 1366653184, 1576907520, 1708316480, 2049979776, 2562474720, 3416632960, 4099959552, 5124949440, 6833265920, 10249898880, 20499797760]

約数ペア:

[(1, 20499797760), (2, 10249898880), (3, 6833265920), (4, 5124949440), (5, 4099959552), (6, 3416632960), (8, 2562474720), (10, 2049979776), (12, 1708316480), (13, 1576907520), (15, 1366653184), (16, 1281237360), (20, 1024989888), (24, 854158240), (26, 788453760), (30, 683326592), (32, 640618680), (39, 525635840), (40, 512494944), (48, 427079120), (52, 394226880), (60, 341663296), (64, 320309340), (65, 315381504), (78, 262817920), (80, 256247472), (96, 213539560), (104, 197113440), (120, 170831648), (128, 160154670), (130, 157690752), (156, 131408960), (160, 128123736), (167, 122753280), (192, 106769780), (195, 105127168), (208, 98556720), (240, 85415824), (256, 80077335), (260, 78845376), (312, 65704480), (320, 64061868), (334, 61376640), (384, 53384890), (390, 52563584), (416, 49278360), (480, 42707912), (501, 40917760), (520, 39422688), (624, 32852240), (640, 32030934), (668, 30688320), (768, 26692445), (780, 26281792), (832, 24639180), (835, 24550656), (960, 21353956), (1002, 20458880), (1040, 19711344), (1248, 16426120), (1280, 16015467), (1336, 15344160), (1560, 13140896), (1664, 12319590), (1670, 12275328), (1920, 10676978), (2004, 10229440), (2080, 9855672), (2171, 9442560), (2459, 8336640), (2496, 8213060), (2505, 8183552), (2672, 7672080), (3120, 6570448), (3328, 6159795), (3340, 6137664), (3840, 5338489), (4008, 5114720), (4160, 4927836), (4342, 4721280), (4918, 4168320), (4992, 4106530), (5010, 4091776), (5344, 3836040), (6240, 3285224), (6513, 3147520), (6680, 3068832), (7377, 2778880), (8016, 2557360), (8320, 2463918), (8684, 2360640), (9836, 2084160), (9984, 2053265), (10020, 2045888), (10688, 1918020), (10855, 1888512), (12295, 1667328), (12480, 1642612), (13026, 1573760), (13360, 1534416), (14754, 1389440), (16032, 1278680), (16640, 1231959), (17368, 1180320), (19672, 1042080), (20040, 1022944), (21376, 959010), (21710, 944256), (24590, 833664), (24960, 821306), (26052, 786880), (26720, 767208), (29508, 694720), (31967, 641280), (32064, 639340), (32565, 629504), (34736, 590160), (36885, 555776), (39344, 521040), (40080, 511472), (42752, 479505), (43420, 472128), (49180, 416832), (49920, 410653), (52104, 393440), (53440, 383604), (59016, 347360), (63934, 320640), (64128, 319670), (65130, 314752), (69472, 295080), (73770, 277888), (78688, 260520), (80160, 255736), (86840, 236064), (95901, 213760), (98360, 208416), (104208, 196720), (106880, 191802), (118032, 173680), (127868, 160320), (128256, 159835), (130260, 157376), (138944, 147540)]