663891984

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 240

約数和(自身を含む): 2250451200

約数和(自身を除く): 1586559216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 79, 84, 98, 108, 112, 126, 144, 147, 158, 168, 189, 196, 216, 237, 252, 294, 316, 336, 378, 392, 397, 432, 441, 474, 504, 553, 588, 632, 711, 756, 784, 794, 882, 948, 1008, 1106, 1176, 1191, 1264, 1323, 1422, 1512, 1588, 1659, 1764, 1896, 2133, 2212, 2352, 2382, 2646, 2779, 2844, 3024, 3176, 3318, 3528, 3573, 3792, 3871, 4266, 4424, 4764, 4977, 5292, 5558, 5688, 6352, 6636, 7056, 7146, 7742, 8337, 8532, 8848, 9528, 9954, 10584, 10719, 11116, 11376, 11613, 13272, 14292, 14931, 15484, 16674, 17064, 19056, 19453, 19908, 21168, 21438, 22232, 23226, 25011, 26544, 28584, 29862, 30968, 31363, 33348, 34128, 34839, 38906, 39816, 42876, 44464, 46452, 50022, 57168, 58359, 59724, 61936, 62726, 66696, 69678, 75033, 77812, 79632, 85752, 92904, 94089, 100044, 104517, 116718, 119448, 125452, 133392, 139356, 150066, 155624, 171504, 175077, 185808, 188178, 200088, 209034, 219541, 233436, 238896, 250904, 278712, 282267, 300132, 311248, 350154, 376356, 400176, 418068, 439082, 466872, 501808, 525231, 557424, 564534, 600264, 658623, 700308, 752712, 836136, 846801, 878164, 933744, 1050462, 1129068, 1200528, 1317246, 1400616, 1505424, 1536787, 1672272, 1693602, 1756328, 1975869, 2100924, 2258136, 2634492, 2801232, 3073574, 3387204, 3512656, 3951738, 4201848, 4516272, 4610361, 5268984, 5927607, 6147148, 6774408, 7903476, 8403696, 9220722, 10537968, 11855214, 12294296, 13548816, 13831083, 15806952, 18441444, 23710428, 24588592, 27662166, 31613904, 36882888, 41493249, 47420856, 55324332, 73765776, 82986498, 94841712, 110648664, 165972996, 221297328, 331945992, 663891984]

約数ペア:

[(1, 663891984), (2, 331945992), (3, 221297328), (4, 165972996), (6, 110648664), (7, 94841712), (8, 82986498), (9, 73765776), (12, 55324332), (14, 47420856), (16, 41493249), (18, 36882888), (21, 31613904), (24, 27662166), (27, 24588592), (28, 23710428), (36, 18441444), (42, 15806952), (48, 13831083), (49, 13548816), (54, 12294296), (56, 11855214), (63, 10537968), (72, 9220722), (79, 8403696), (84, 7903476), (98, 6774408), (108, 6147148), (112, 5927607), (126, 5268984), (144, 4610361), (147, 4516272), (158, 4201848), (168, 3951738), (189, 3512656), (196, 3387204), (216, 3073574), (237, 2801232), (252, 2634492), (294, 2258136), (316, 2100924), (336, 1975869), (378, 1756328), (392, 1693602), (397, 1672272), (432, 1536787), (441, 1505424), (474, 1400616), (504, 1317246), (553, 1200528), (588, 1129068), (632, 1050462), (711, 933744), (756, 878164), (784, 846801), (794, 836136), (882, 752712), (948, 700308), (1008, 658623), (1106, 600264), (1176, 564534), (1191, 557424), (1264, 525231), (1323, 501808), (1422, 466872), (1512, 439082), (1588, 418068), (1659, 400176), (1764, 376356), (1896, 350154), (2133, 311248), (2212, 300132), (2352, 282267), (2382, 278712), (2646, 250904), (2779, 238896), (2844, 233436), (3024, 219541), (3176, 209034), (3318, 200088), (3528, 188178), (3573, 185808), (3792, 175077), (3871, 171504), (4266, 155624), (4424, 150066), (4764, 139356), (4977, 133392), (5292, 125452), (5558, 119448), (5688, 116718), (6352, 104517), (6636, 100044), (7056, 94089), (7146, 92904), (7742, 85752), (8337, 79632), (8532, 77812), (8848, 75033), (9528, 69678), (9954, 66696), (10584, 62726), (10719, 61936), (11116, 59724), (11376, 58359), (11613, 57168), (13272, 50022), (14292, 46452), (14931, 44464), (15484, 42876), (16674, 39816), (17064, 38906), (19056, 34839), (19453, 34128), (19908, 33348), (21168, 31363), (21438, 30968), (22232, 29862), (23226, 28584), (25011, 26544)]