256602720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2165

約数の個数: 192

約数和(自身を含む): 920553984

約数和(自身を除く): 663951264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 96, 110, 115, 120, 132, 138, 160, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 352, 368, 440, 460, 480, 506, 528, 552, 660, 690, 736, 759, 880, 920, 1012, 1056, 1104, 1265, 1320, 1380, 1518, 1760, 1840, 2024, 2113, 2208, 2530, 2640, 2760, 3036, 3680, 3795, 4048, 4226, 5060, 5280, 5520, 6072, 6339, 7590, 8096, 8452, 10120, 10565, 11040, 12144, 12678, 15180, 16904, 20240, 21130, 23243, 24288, 25356, 30360, 31695, 33808, 40480, 42260, 46486, 48599, 50712, 60720, 63390, 67616, 69729, 84520, 92972, 97198, 101424, 116215, 121440, 126780, 139458, 145797, 169040, 185944, 194396, 202848, 232430, 242995, 253560, 278916, 291594, 338080, 348645, 371888, 388792, 464860, 485990, 507120, 534589, 557832, 583188, 697290, 728985, 743776, 777584, 929720, 971980, 1014240, 1069178, 1115664, 1166376, 1394580, 1457970, 1555168, 1603767, 1859440, 1943960, 2138356, 2231328, 2332752, 2672945, 2789160, 2915940, 3207534, 3718880, 3887920, 4276712, 4665504, 5345890, 5578320, 5831880, 6415068, 7775840, 8018835, 8553424, 10691780, 11156640, 11663760, 12830136, 16037670, 17106848, 21383560, 23327520, 25660272, 32075340, 42767120, 51320544, 64150680, 85534240, 128301360, 256602720]

約数ペア:

[(1, 256602720), (2, 128301360), (3, 85534240), (4, 64150680), (5, 51320544), (6, 42767120), (8, 32075340), (10, 25660272), (11, 23327520), (12, 21383560), (15, 17106848), (16, 16037670), (20, 12830136), (22, 11663760), (23, 11156640), (24, 10691780), (30, 8553424), (32, 8018835), (33, 7775840), (40, 6415068), (44, 5831880), (46, 5578320), (48, 5345890), (55, 4665504), (60, 4276712), (66, 3887920), (69, 3718880), (80, 3207534), (88, 2915940), (92, 2789160), (96, 2672945), (110, 2332752), (115, 2231328), (120, 2138356), (132, 1943960), (138, 1859440), (160, 1603767), (165, 1555168), (176, 1457970), (184, 1394580), (220, 1166376), (230, 1115664), (240, 1069178), (253, 1014240), (264, 971980), (276, 929720), (330, 777584), (345, 743776), (352, 728985), (368, 697290), (440, 583188), (460, 557832), (480, 534589), (506, 507120), (528, 485990), (552, 464860), (660, 388792), (690, 371888), (736, 348645), (759, 338080), (880, 291594), (920, 278916), (1012, 253560), (1056, 242995), (1104, 232430), (1265, 202848), (1320, 194396), (1380, 185944), (1518, 169040), (1760, 145797), (1840, 139458), (2024, 126780), (2113, 121440), (2208, 116215), (2530, 101424), (2640, 97198), (2760, 92972), (3036, 84520), (3680, 69729), (3795, 67616), (4048, 63390), (4226, 60720), (5060, 50712), (5280, 48599), (5520, 46486), (6072, 42260), (6339, 40480), (7590, 33808), (8096, 31695), (8452, 30360), (10120, 25356), (10565, 24288), (11040, 23243), (12144, 21130), (12678, 20240), (15180, 16904)]