640514952

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 288

約数和(自身を含む): 2265681600

約数和(自身を除く): 1625166648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 81, 84, 88, 99, 108, 121, 126, 132, 154, 162, 168, 189, 198, 216, 231, 242, 243, 252, 264, 297, 308, 324, 363, 378, 389, 396, 462, 484, 486, 504, 567, 594, 616, 648, 693, 726, 756, 778, 792, 847, 891, 924, 968, 972, 1089, 1134, 1167, 1188, 1386, 1452, 1512, 1556, 1694, 1701, 1782, 1848, 1944, 2079, 2178, 2268, 2334, 2376, 2541, 2673, 2723, 2772, 2904, 3112, 3267, 3388, 3402, 3501, 3564, 4158, 4279, 4356, 4536, 4668, 5082, 5346, 5446, 5544, 6237, 6534, 6776, 6804, 7002, 7128, 7623, 8169, 8316, 8558, 8712, 9336, 9801, 10164, 10503, 10692, 10892, 12474, 12837, 13068, 13608, 14004, 15246, 16338, 16632, 17116, 18711, 19602, 20328, 21006, 21384, 21784, 22869, 24507, 24948, 25674, 26136, 28008, 29403, 29953, 30492, 31509, 32676, 34232, 37422, 38511, 39204, 42012, 45738, 47069, 49014, 49896, 51348, 58806, 59906, 60984, 63018, 65352, 68607, 73521, 74844, 77022, 78408, 84024, 89859, 91476, 94138, 94527, 98028, 102696, 115533, 117612, 119812, 126036, 137214, 141207, 147042, 149688, 154044, 179718, 182952, 188276, 189054, 196056, 205821, 220563, 231066, 235224, 239624, 252072, 269577, 274428, 282414, 294084, 308088, 329483, 346599, 359436, 376552, 378108, 411642, 423621, 441126, 462132, 539154, 548856, 564828, 588168, 658966, 661689, 693198, 718872, 756216, 808731, 823284, 847242, 882252, 924264, 988449, 1039797, 1078308, 1129656, 1270863, 1317932, 1323378, 1386396, 1617462, 1646568, 1694484, 1764504, 1976898, 2079594, 2156616, 2426193, 2541726, 2635864, 2646756, 2772792, 2965347, 3234924, 3388968, 3812589, 3953796, 4159188, 4852386, 5083452, 5293512, 5930694, 6469848, 7278579, 7625178, 7907592, 8318376, 8896041, 9704772, 10166904, 11437767, 11861388, 14557158, 15250356, 17792082, 19409544, 22875534, 23722776, 26688123, 29114316, 30500712, 35584164, 45751068, 53376246, 58228632, 71168328, 80064369, 91502136, 106752492, 160128738, 213504984, 320257476, 640514952]

約数ペア:

[(1, 640514952), (2, 320257476), (3, 213504984), (4, 160128738), (6, 106752492), (7, 91502136), (8, 80064369), (9, 71168328), (11, 58228632), (12, 53376246), (14, 45751068), (18, 35584164), (21, 30500712), (22, 29114316), (24, 26688123), (27, 23722776), (28, 22875534), (33, 19409544), (36, 17792082), (42, 15250356), (44, 14557158), (54, 11861388), (56, 11437767), (63, 10166904), (66, 9704772), (72, 8896041), (77, 8318376), (81, 7907592), (84, 7625178), (88, 7278579), (99, 6469848), (108, 5930694), (121, 5293512), (126, 5083452), (132, 4852386), (154, 4159188), (162, 3953796), (168, 3812589), (189, 3388968), (198, 3234924), (216, 2965347), (231, 2772792), (242, 2646756), (243, 2635864), (252, 2541726), (264, 2426193), (297, 2156616), (308, 2079594), (324, 1976898), (363, 1764504), (378, 1694484), (389, 1646568), (396, 1617462), (462, 1386396), (484, 1323378), (486, 1317932), (504, 1270863), (567, 1129656), (594, 1078308), (616, 1039797), (648, 988449), (693, 924264), (726, 882252), (756, 847242), (778, 823284), (792, 808731), (847, 756216), (891, 718872), (924, 693198), (968, 661689), (972, 658966), (1089, 588168), (1134, 564828), (1167, 548856), (1188, 539154), (1386, 462132), (1452, 441126), (1512, 423621), (1556, 411642), (1694, 378108), (1701, 376552), (1782, 359436), (1848, 346599), (1944, 329483), (2079, 308088), (2178, 294084), (2268, 282414), (2334, 274428), (2376, 269577), (2541, 252072), (2673, 239624), (2723, 235224), (2772, 231066), (2904, 220563), (3112, 205821), (3267, 196056), (3388, 189054), (3402, 188276), (3501, 182952), (3564, 179718), (4158, 154044), (4279, 149688), (4356, 147042), (4536, 141207), (4668, 137214), (5082, 126036), (5346, 119812), (5446, 117612), (5544, 115533), (6237, 102696), (6534, 98028), (6776, 94527), (6804, 94138), (7002, 91476), (7128, 89859), (7623, 84024), (8169, 78408), (8316, 77022), (8558, 74844), (8712, 73521), (9336, 68607), (9801, 65352), (10164, 63018), (10503, 60984), (10692, 59906), (10892, 58806), (12474, 51348), (12837, 49896), (13068, 49014), (13608, 47069), (14004, 45738), (15246, 42012), (16338, 39204), (16632, 38511), (17116, 37422), (18711, 34232), (19602, 32676), (20328, 31509), (21006, 30492), (21384, 29953), (21784, 29403), (22869, 28008), (24507, 26136), (24948, 25674)]