661236480

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 432

約数和(自身を含む): 2523195360

約数和(自身を除く): 1861958880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 53, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 106, 108, 114, 120, 128, 135, 144, 152, 159, 160, 171, 180, 190, 192, 212, 216, 228, 240, 256, 265, 270, 285, 288, 304, 318, 320, 342, 360, 361, 380, 384, 424, 432, 456, 477, 480, 513, 530, 540, 570, 576, 608, 636, 640, 684, 720, 722, 760, 768, 795, 848, 855, 864, 912, 954, 960, 1007, 1026, 1060, 1080, 1083, 1140, 1152, 1216, 1272, 1280, 1368, 1431, 1440, 1444, 1520, 1590, 1696, 1710, 1728, 1805, 1824, 1908, 1920, 2014, 2052, 2120, 2160, 2166, 2280, 2304, 2385, 2432, 2544, 2565, 2736, 2862, 2880, 2888, 3021, 3040, 3180, 3249, 3392, 3420, 3456, 3610, 3648, 3816, 3840, 4028, 4104, 4240, 4320, 4332, 4560, 4770, 4864, 5035, 5088, 5130, 5415, 5472, 5724, 5760, 5776, 6042, 6080, 6360, 6498, 6784, 6840, 6912, 7155, 7220, 7296, 7632, 8056, 8208, 8480, 8640, 8664, 9063, 9120, 9540, 9747, 10070, 10176, 10260, 10830, 10944, 11448, 11520, 11552, 12084, 12160, 12720, 12996, 13568, 13680, 14310, 14440, 14592, 15105, 15264, 16112, 16245, 16416, 16960, 17280, 17328, 18126, 18240, 19080, 19133, 19494, 20140, 20352, 20520, 21660, 21888, 22896, 23104, 24168, 24320, 25440, 25992, 27189, 27360, 28620, 28880, 30210, 30528, 32224, 32490, 32832, 33920, 34560, 34656, 36252, 36480, 38160, 38266, 38988, 40280, 40704, 41040, 43320, 43776, 45315, 45792, 46208, 48336, 48735, 50880, 51984, 54378, 54720, 57240, 57399, 57760, 60420, 61056, 64448, 64980, 65664, 67840, 69312, 72504, 72960, 76320, 76532, 77976, 80560, 82080, 86640, 90630, 91584, 92416, 95665, 96672, 97470, 101760, 103968, 108756, 109440, 114480, 114798, 115520, 120840, 122112, 128896, 129960, 131328, 135945, 138624, 145008, 152640, 153064, 155952, 161120, 164160, 172197, 173280, 181260, 183168, 191330, 193344, 194940, 203520, 207936, 217512, 218880, 228960, 229596, 231040, 241680, 257792, 259920, 271890, 277248, 286995, 290016, 305280, 306128, 311904, 322240, 328320, 344394, 346560, 362520, 366336, 382660, 386688, 389880, 415872, 435024, 457920, 459192, 462080, 483360, 516591, 519840, 543780, 573990, 580032, 610560, 612256, 623808, 644480, 656640, 688788, 693120, 725040, 765320, 773376, 779760, 831744, 860985, 870048, 915840, 918384, 966720, 1033182, 1039680, 1087560, 1147980, 1160064, 1224512, 1247616, 1288960, 1377576, 1386240, 1450080, 1530640, 1559520, 1721970, 1740096, 1831680, 1836768, 1933440, 2066364, 2079360, 2175120, 2295960, 2320128, 2449024, 2495232, 2582955, 2755152, 2900160, 3061280, 3119040, 3443940, 3480192, 3673536, 3866880, 4132728, 4158720, 4350240, 4591920, 4898048, 5165910, 5510304, 5800320, 6122560, 6238080, 6887880, 6960384, 7347072, 8265456, 8700480, 9183840, 10331820, 11020608, 11600640, 12245120, 12476160, 13775760, 14694144, 16530912, 17400960, 18367680, 20663640, 22041216, 24490240, 27551520, 33061824, 34801920, 36735360, 41327280, 44082432, 55103040, 66123648, 73470720, 82654560, 110206080, 132247296, 165309120, 220412160, 330618240, 661236480]

約数ペア:

[(1, 661236480), (2, 330618240), (3, 220412160), (4, 165309120), (5, 132247296), (6, 110206080), (8, 82654560), (9, 73470720), (10, 66123648), (12, 55103040), (15, 44082432), (16, 41327280), (18, 36735360), (19, 34801920), (20, 33061824), (24, 27551520), (27, 24490240), (30, 22041216), (32, 20663640), (36, 18367680), (38, 17400960), (40, 16530912), (45, 14694144), (48, 13775760), (53, 12476160), (54, 12245120), (57, 11600640), (60, 11020608), (64, 10331820), (72, 9183840), (76, 8700480), (80, 8265456), (90, 7347072), (95, 6960384), (96, 6887880), (106, 6238080), (108, 6122560), (114, 5800320), (120, 5510304), (128, 5165910), (135, 4898048), (144, 4591920), (152, 4350240), (159, 4158720), (160, 4132728), (171, 3866880), (180, 3673536), (190, 3480192), (192, 3443940), (212, 3119040), (216, 3061280), (228, 2900160), (240, 2755152), (256, 2582955), (265, 2495232), (270, 2449024), (285, 2320128), (288, 2295960), (304, 2175120), (318, 2079360), (320, 2066364), (342, 1933440), (360, 1836768), (361, 1831680), (380, 1740096), (384, 1721970), (424, 1559520), (432, 1530640), (456, 1450080), (477, 1386240), (480, 1377576), (513, 1288960), (530, 1247616), (540, 1224512), (570, 1160064), (576, 1147980), (608, 1087560), (636, 1039680), (640, 1033182), (684, 966720), (720, 918384), (722, 915840), (760, 870048), (768, 860985), (795, 831744), (848, 779760), (855, 773376), (864, 765320), (912, 725040), (954, 693120), (960, 688788), (1007, 656640), (1026, 644480), (1060, 623808), (1080, 612256), (1083, 610560), (1140, 580032), (1152, 573990), (1216, 543780), (1272, 519840), (1280, 516591), (1368, 483360), (1431, 462080), (1440, 459192), (1444, 457920), (1520, 435024), (1590, 415872), (1696, 389880), (1710, 386688), (1728, 382660), (1805, 366336), (1824, 362520), (1908, 346560), (1920, 344394), (2014, 328320), (2052, 322240), (2120, 311904), (2160, 306128), (2166, 305280), (2280, 290016), (2304, 286995), (2385, 277248), (2432, 271890), (2544, 259920), (2565, 257792), (2736, 241680), (2862, 231040), (2880, 229596), (2888, 228960), (3021, 218880), (3040, 217512), (3180, 207936), (3249, 203520), (3392, 194940), (3420, 193344), (3456, 191330), (3610, 183168), (3648, 181260), (3816, 173280), (3840, 172197), (4028, 164160), (4104, 161120), (4240, 155952), (4320, 153064), (4332, 152640), (4560, 145008), (4770, 138624), (4864, 135945), (5035, 131328), (5088, 129960), (5130, 128896), (5415, 122112), (5472, 120840), (5724, 115520), (5760, 114798), (5776, 114480), (6042, 109440), (6080, 108756), (6360, 103968), (6498, 101760), (6784, 97470), (6840, 96672), (6912, 95665), (7155, 92416), (7220, 91584), (7296, 90630), (7632, 86640), (8056, 82080), (8208, 80560), (8480, 77976), (8640, 76532), (8664, 76320), (9063, 72960), (9120, 72504), (9540, 69312), (9747, 67840), (10070, 65664), (10176, 64980), (10260, 64448), (10830, 61056), (10944, 60420), (11448, 57760), (11520, 57399), (11552, 57240), (12084, 54720), (12160, 54378), (12720, 51984), (12996, 50880), (13568, 48735), (13680, 48336), (14310, 46208), (14440, 45792), (14592, 45315), (15105, 43776), (15264, 43320), (16112, 41040), (16245, 40704), (16416, 40280), (16960, 38988), (17280, 38266), (17328, 38160), (18126, 36480), (18240, 36252), (19080, 34656), (19133, 34560), (19494, 33920), (20140, 32832), (20352, 32490), (20520, 32224), (21660, 30528), (21888, 30210), (22896, 28880), (23104, 28620), (24168, 27360), (24320, 27189), (25440, 25992)]