20217504960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{49787}}^1$

素因数の和:49860

約数の個数: 224

約数和(自身を含む): 72841835520

約数和(自身を除く): 52624330560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 90, 94, 96, 108, 120, 135, 141, 144, 160, 180, 188, 192, 216, 235, 240, 270, 282, 288, 320, 360, 376, 423, 432, 470, 480, 540, 564, 576, 705, 720, 752, 846, 864, 940, 960, 1080, 1128, 1269, 1410, 1440, 1504, 1692, 1728, 1880, 2115, 2160, 2256, 2538, 2820, 2880, 3008, 3384, 3760, 4230, 4320, 4512, 5076, 5640, 6345, 6768, 7520, 8460, 8640, 9024, 10152, 11280, 12690, 13536, 15040, 16920, 20304, 22560, 25380, 27072, 33840, 40608, 45120, 49787, 50760, 67680, 81216, 99574, 101520, 135360, 149361, 199148, 203040, 248935, 298722, 398296, 406080, 448083, 497870, 597444, 746805, 796592, 896166, 995740, 1194888, 1344249, 1493610, 1593184, 1792332, 1991480, 2240415, 2339989, 2389776, 2688498, 2987220, 3186368, 3584664, 3982960, 4480830, 4679978, 4779552, 5376996, 5974440, 6721245, 7019967, 7169328, 7965920, 8961660, 9359956, 9559104, 10753992, 11699945, 11948880, 13442490, 14039934, 14338656, 15931840, 17923320, 18719912, 21059901, 21507984, 23399890, 23897760, 26884980, 28079868, 28677312, 35099835, 35846640, 37439824, 42119802, 43015968, 46799780, 47795520, 53769960, 56159736, 63179703, 70199670, 71693280, 74879648, 84239604, 86031936, 93599560, 105299505, 107539920, 112319472, 126359406, 140399340, 143386560, 149759296, 168479208, 187199120, 210599010, 215079840, 224638944, 252718812, 280798680, 315898515, 336958416, 374398240, 421198020, 430159680, 449277888, 505437624, 561597360, 631797030, 673916832, 748796480, 842396040, 1010875248, 1123194720, 1263594060, 1347833664, 1684792080, 2021750496, 2246389440, 2527188120, 3369584160, 4043500992, 5054376240, 6739168320, 10108752480, 20217504960]

約数ペア:

[(1, 20217504960), (2, 10108752480), (3, 6739168320), (4, 5054376240), (5, 4043500992), (6, 3369584160), (8, 2527188120), (9, 2246389440), (10, 2021750496), (12, 1684792080), (15, 1347833664), (16, 1263594060), (18, 1123194720), (20, 1010875248), (24, 842396040), (27, 748796480), (30, 673916832), (32, 631797030), (36, 561597360), (40, 505437624), (45, 449277888), (47, 430159680), (48, 421198020), (54, 374398240), (60, 336958416), (64, 315898515), (72, 280798680), (80, 252718812), (90, 224638944), (94, 215079840), (96, 210599010), (108, 187199120), (120, 168479208), (135, 149759296), (141, 143386560), (144, 140399340), (160, 126359406), (180, 112319472), (188, 107539920), (192, 105299505), (216, 93599560), (235, 86031936), (240, 84239604), (270, 74879648), (282, 71693280), (288, 70199670), (320, 63179703), (360, 56159736), (376, 53769960), (423, 47795520), (432, 46799780), (470, 43015968), (480, 42119802), (540, 37439824), (564, 35846640), (576, 35099835), (705, 28677312), (720, 28079868), (752, 26884980), (846, 23897760), (864, 23399890), (940, 21507984), (960, 21059901), (1080, 18719912), (1128, 17923320), (1269, 15931840), (1410, 14338656), (1440, 14039934), (1504, 13442490), (1692, 11948880), (1728, 11699945), (1880, 10753992), (2115, 9559104), (2160, 9359956), (2256, 8961660), (2538, 7965920), (2820, 7169328), (2880, 7019967), (3008, 6721245), (3384, 5974440), (3760, 5376996), (4230, 4779552), (4320, 4679978), (4512, 4480830), (5076, 3982960), (5640, 3584664), (6345, 3186368), (6768, 2987220), (7520, 2688498), (8460, 2389776), (8640, 2339989), (9024, 2240415), (10152, 1991480), (11280, 1792332), (12690, 1593184), (13536, 1493610), (15040, 1344249), (16920, 1194888), (20304, 995740), (22560, 896166), (25380, 796592), (27072, 746805), (33840, 597444), (40608, 497870), (45120, 448083), (49787, 406080), (50760, 398296), (67680, 298722), (81216, 248935), (99574, 203040), (101520, 199148), (135360, 149361)]