641538144

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 240

約数和(自身を含む): 2066137920

約数和(自身を除く): 1424599776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 79, 81, 96, 104, 108, 117, 144, 156, 158, 162, 208, 216, 234, 237, 241, 288, 312, 316, 324, 351, 416, 432, 468, 474, 482, 624, 632, 648, 702, 711, 723, 864, 936, 948, 964, 1027, 1053, 1248, 1264, 1296, 1404, 1422, 1446, 1872, 1896, 1928, 2054, 2106, 2133, 2169, 2528, 2592, 2808, 2844, 2892, 3081, 3133, 3744, 3792, 3856, 4108, 4212, 4266, 4338, 5616, 5688, 5784, 6162, 6266, 6399, 6507, 7584, 7712, 8216, 8424, 8532, 8676, 9243, 9399, 11232, 11376, 11568, 12324, 12532, 12798, 13014, 16432, 16848, 17064, 17352, 18486, 18798, 19039, 19521, 22752, 23136, 24648, 25064, 25596, 26028, 27729, 28197, 32864, 33696, 34128, 34704, 36972, 37596, 38078, 39042, 49296, 50128, 51192, 52056, 55458, 56394, 57117, 68256, 69408, 73944, 75192, 76156, 78084, 83187, 84591, 98592, 100256, 102384, 104112, 110916, 112788, 114234, 147888, 150384, 152312, 156168, 166374, 169182, 171351, 204768, 208224, 221832, 225576, 228468, 247507, 253773, 295776, 300768, 304624, 312336, 332748, 338364, 342702, 443664, 451152, 456936, 495014, 507546, 514053, 609248, 624672, 665496, 676728, 685404, 742521, 887328, 902304, 913872, 990028, 1015092, 1028106, 1330992, 1353456, 1370808, 1485042, 1542159, 1827744, 1980056, 2030184, 2056212, 2227563, 2661984, 2706912, 2741616, 2970084, 3084318, 3960112, 4060368, 4112424, 4455126, 5483232, 5940168, 6168636, 6682689, 7920224, 8120736, 8224848, 8910252, 11880336, 12337272, 13365378, 16449696, 17820504, 20048067, 23760672, 24674544, 26730756, 35641008, 40096134, 49349088, 53461512, 71282016, 80192268, 106923024, 160384536, 213846048, 320769072, 641538144]

約数ペア:

[(1, 641538144), (2, 320769072), (3, 213846048), (4, 160384536), (6, 106923024), (8, 80192268), (9, 71282016), (12, 53461512), (13, 49349088), (16, 40096134), (18, 35641008), (24, 26730756), (26, 24674544), (27, 23760672), (32, 20048067), (36, 17820504), (39, 16449696), (48, 13365378), (52, 12337272), (54, 11880336), (72, 8910252), (78, 8224848), (79, 8120736), (81, 7920224), (96, 6682689), (104, 6168636), (108, 5940168), (117, 5483232), (144, 4455126), (156, 4112424), (158, 4060368), (162, 3960112), (208, 3084318), (216, 2970084), (234, 2741616), (237, 2706912), (241, 2661984), (288, 2227563), (312, 2056212), (316, 2030184), (324, 1980056), (351, 1827744), (416, 1542159), (432, 1485042), (468, 1370808), (474, 1353456), (482, 1330992), (624, 1028106), (632, 1015092), (648, 990028), (702, 913872), (711, 902304), (723, 887328), (864, 742521), (936, 685404), (948, 676728), (964, 665496), (1027, 624672), (1053, 609248), (1248, 514053), (1264, 507546), (1296, 495014), (1404, 456936), (1422, 451152), (1446, 443664), (1872, 342702), (1896, 338364), (1928, 332748), (2054, 312336), (2106, 304624), (2133, 300768), (2169, 295776), (2528, 253773), (2592, 247507), (2808, 228468), (2844, 225576), (2892, 221832), (3081, 208224), (3133, 204768), (3744, 171351), (3792, 169182), (3856, 166374), (4108, 156168), (4212, 152312), (4266, 150384), (4338, 147888), (5616, 114234), (5688, 112788), (5784, 110916), (6162, 104112), (6266, 102384), (6399, 100256), (6507, 98592), (7584, 84591), (7712, 83187), (8216, 78084), (8424, 76156), (8532, 75192), (8676, 73944), (9243, 69408), (9399, 68256), (11232, 57117), (11376, 56394), (11568, 55458), (12324, 52056), (12532, 51192), (12798, 50128), (13014, 49296), (16432, 39042), (16848, 38078), (17064, 37596), (17352, 36972), (18486, 34704), (18798, 34128), (19039, 33696), (19521, 32864), (22752, 28197), (23136, 27729), (24648, 26028), (25064, 25596)]