1561119560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 256

約数和(自身を含む): 4768727040

約数和(自身を除く): 3207607480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 127, 130, 140, 143, 154, 182, 220, 254, 260, 280, 286, 307, 308, 364, 385, 440, 455, 508, 520, 572, 614, 616, 635, 715, 728, 770, 889, 910, 1001, 1016, 1144, 1228, 1270, 1397, 1430, 1535, 1540, 1651, 1778, 1820, 2002, 2149, 2456, 2540, 2794, 2860, 3070, 3080, 3302, 3377, 3556, 3640, 3991, 4004, 4298, 4445, 5005, 5080, 5588, 5720, 6140, 6604, 6754, 6985, 7112, 7982, 8008, 8255, 8596, 8890, 9779, 10010, 10745, 11176, 11557, 12280, 13208, 13508, 13970, 15964, 16510, 16885, 17192, 17780, 18161, 19558, 19955, 20020, 21490, 23114, 23639, 27016, 27937, 27940, 31928, 33020, 33770, 35560, 36322, 38989, 39116, 39910, 40040, 42980, 43901, 46228, 47278, 48895, 55874, 55880, 57785, 66040, 67540, 72644, 77978, 78232, 79820, 85960, 87802, 90805, 92456, 94556, 97790, 111748, 115570, 118195, 127127, 135080, 139685, 145288, 155956, 159640, 175604, 181610, 189112, 194945, 195580, 219505, 223496, 231140, 236390, 254254, 272923, 279370, 307307, 311912, 351208, 363220, 389890, 391160, 428879, 439010, 462280, 472780, 506857, 508508, 545846, 558740, 614614, 635635, 726440, 779780, 857758, 878020, 945560, 1013714, 1017016, 1091692, 1117480, 1229228, 1271270, 1364615, 1536535, 1559560, 1715516, 1756040, 2027428, 2144395, 2183384, 2458456, 2534285, 2542540, 2729230, 3002153, 3073070, 3431032, 3547999, 4054856, 4288790, 5068570, 5085080, 5458460, 5575427, 6004306, 6146140, 7095998, 8577580, 10137140, 10916920, 11150854, 12008612, 12292280, 14191996, 15010765, 17155160, 17739995, 20274280, 22301708, 24017224, 27877135, 28383992, 30021530, 35479990, 39027989, 44603416, 55754270, 60043060, 70959980, 78055978, 111508540, 120086120, 141919960, 156111956, 195139945, 223017080, 312223912, 390279890, 780559780, 1561119560]

約数ペア:

[(1, 1561119560), (2, 780559780), (4, 390279890), (5, 312223912), (7, 223017080), (8, 195139945), (10, 156111956), (11, 141919960), (13, 120086120), (14, 111508540), (20, 78055978), (22, 70959980), (26, 60043060), (28, 55754270), (35, 44603416), (40, 39027989), (44, 35479990), (52, 30021530), (55, 28383992), (56, 27877135), (65, 24017224), (70, 22301708), (77, 20274280), (88, 17739995), (91, 17155160), (104, 15010765), (110, 14191996), (127, 12292280), (130, 12008612), (140, 11150854), (143, 10916920), (154, 10137140), (182, 8577580), (220, 7095998), (254, 6146140), (260, 6004306), (280, 5575427), (286, 5458460), (307, 5085080), (308, 5068570), (364, 4288790), (385, 4054856), (440, 3547999), (455, 3431032), (508, 3073070), (520, 3002153), (572, 2729230), (614, 2542540), (616, 2534285), (635, 2458456), (715, 2183384), (728, 2144395), (770, 2027428), (889, 1756040), (910, 1715516), (1001, 1559560), (1016, 1536535), (1144, 1364615), (1228, 1271270), (1270, 1229228), (1397, 1117480), (1430, 1091692), (1535, 1017016), (1540, 1013714), (1651, 945560), (1778, 878020), (1820, 857758), (2002, 779780), (2149, 726440), (2456, 635635), (2540, 614614), (2794, 558740), (2860, 545846), (3070, 508508), (3080, 506857), (3302, 472780), (3377, 462280), (3556, 439010), (3640, 428879), (3991, 391160), (4004, 389890), (4298, 363220), (4445, 351208), (5005, 311912), (5080, 307307), (5588, 279370), (5720, 272923), (6140, 254254), (6604, 236390), (6754, 231140), (6985, 223496), (7112, 219505), (7982, 195580), (8008, 194945), (8255, 189112), (8596, 181610), (8890, 175604), (9779, 159640), (10010, 155956), (10745, 145288), (11176, 139685), (11557, 135080), (12280, 127127), (13208, 118195), (13508, 115570), (13970, 111748), (15964, 97790), (16510, 94556), (16885, 92456), (17192, 90805), (17780, 87802), (18161, 85960), (19558, 79820), (19955, 78232), (20020, 77978), (21490, 72644), (23114, 67540), (23639, 66040), (27016, 57785), (27937, 55880), (27940, 55874), (31928, 48895), (33020, 47278), (33770, 46228), (35560, 43901), (36322, 42980), (38989, 40040), (39116, 39910)]