256672416

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2715

約数の個数: 192

約数和(自身を含む): 904974336

約数和(自身を除く): 648301920

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 32, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 96, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 224, 231, 264, 273, 286, 308, 312, 336, 352, 364, 416, 429, 462, 528, 546, 572, 616, 624, 672, 728, 858, 924, 1001, 1056, 1092, 1144, 1232, 1248, 1456, 1716, 1848, 2002, 2184, 2288, 2464, 2671, 2912, 3003, 3432, 3696, 4004, 4368, 4576, 5342, 6006, 6864, 7392, 8008, 8013, 8736, 10684, 12012, 13728, 16016, 16026, 18697, 21368, 24024, 29381, 32032, 32052, 34723, 37394, 42736, 48048, 56091, 58762, 64104, 69446, 74788, 85472, 88143, 96096, 104169, 112182, 117524, 128208, 138892, 149576, 176286, 205667, 208338, 224364, 235048, 243061, 256416, 277784, 299152, 352572, 381953, 411334, 416676, 448728, 470096, 486122, 555568, 598304, 617001, 705144, 729183, 763906, 822668, 833352, 897456, 940192, 972244, 1111136, 1145859, 1234002, 1410288, 1458366, 1527812, 1645336, 1666704, 1794912, 1944488, 2291718, 2468004, 2673671, 2820576, 2916732, 3055624, 3290672, 3333408, 3888976, 4583436, 4936008, 5347342, 5833464, 6111248, 6581344, 7777952, 8021013, 9166872, 9872016, 10694684, 11666928, 12222496, 16042026, 18333744, 19744032, 21389368, 23333856, 32084052, 36667488, 42778736, 64168104, 85557472, 128336208, 256672416]

約数ペア:

[(1, 256672416), (2, 128336208), (3, 85557472), (4, 64168104), (6, 42778736), (7, 36667488), (8, 32084052), (11, 23333856), (12, 21389368), (13, 19744032), (14, 18333744), (16, 16042026), (21, 12222496), (22, 11666928), (24, 10694684), (26, 9872016), (28, 9166872), (32, 8021013), (33, 7777952), (39, 6581344), (42, 6111248), (44, 5833464), (48, 5347342), (52, 4936008), (56, 4583436), (66, 3888976), (77, 3333408), (78, 3290672), (84, 3055624), (88, 2916732), (91, 2820576), (96, 2673671), (104, 2468004), (112, 2291718), (132, 1944488), (143, 1794912), (154, 1666704), (156, 1645336), (168, 1527812), (176, 1458366), (182, 1410288), (208, 1234002), (224, 1145859), (231, 1111136), (264, 972244), (273, 940192), (286, 897456), (308, 833352), (312, 822668), (336, 763906), (352, 729183), (364, 705144), (416, 617001), (429, 598304), (462, 555568), (528, 486122), (546, 470096), (572, 448728), (616, 416676), (624, 411334), (672, 381953), (728, 352572), (858, 299152), (924, 277784), (1001, 256416), (1056, 243061), (1092, 235048), (1144, 224364), (1232, 208338), (1248, 205667), (1456, 176286), (1716, 149576), (1848, 138892), (2002, 128208), (2184, 117524), (2288, 112182), (2464, 104169), (2671, 96096), (2912, 88143), (3003, 85472), (3432, 74788), (3696, 69446), (4004, 64104), (4368, 58762), (4576, 56091), (5342, 48048), (6006, 42736), (6864, 37394), (7392, 34723), (8008, 32052), (8013, 32032), (8736, 29381), (10684, 24024), (12012, 21368), (13728, 18697), (16016, 16026)]