261058560

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 208

約数和(自身を含む): 956184576

約数和(自身を除く): 695126016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 607, 640, 672, 768, 840, 896, 960, 1024, 1120, 1214, 1280, 1344, 1536, 1680, 1792, 1821, 1920, 2048, 2240, 2428, 2560, 2688, 3035, 3072, 3360, 3584, 3642, 3840, 4096, 4249, 4480, 4856, 5120, 5376, 6070, 6144, 6720, 7168, 7284, 7680, 8498, 8960, 9105, 9712, 10240, 10752, 12140, 12288, 12747, 13440, 14336, 14568, 15360, 16996, 17920, 18210, 19424, 20480, 21245, 21504, 24280, 25494, 26880, 28672, 29136, 30720, 33992, 35840, 36420, 38848, 42490, 43008, 48560, 50988, 53760, 58272, 61440, 63735, 67984, 71680, 72840, 77696, 84980, 86016, 97120, 101976, 107520, 116544, 127470, 135968, 143360, 145680, 155392, 169960, 194240, 203952, 215040, 233088, 254940, 271936, 291360, 310784, 339920, 388480, 407904, 430080, 466176, 509880, 543872, 582720, 621568, 679840, 776960, 815808, 932352, 1019760, 1087744, 1165440, 1243136, 1359680, 1553920, 1631616, 1864704, 2039520, 2175488, 2330880, 2486272, 2719360, 3107840, 3263232, 3729408, 4079040, 4350976, 4661760, 5438720, 6215680, 6526464, 7458816, 8158080, 8701952, 9323520, 10877440, 12431360, 13052928, 16316160, 17403904, 18647040, 21754880, 26105856, 32632320, 37294080, 43509760, 52211712, 65264640, 87019520, 130529280, 261058560]

約数ペア:

[(1, 261058560), (2, 130529280), (3, 87019520), (4, 65264640), (5, 52211712), (6, 43509760), (7, 37294080), (8, 32632320), (10, 26105856), (12, 21754880), (14, 18647040), (15, 17403904), (16, 16316160), (20, 13052928), (21, 12431360), (24, 10877440), (28, 9323520), (30, 8701952), (32, 8158080), (35, 7458816), (40, 6526464), (42, 6215680), (48, 5438720), (56, 4661760), (60, 4350976), (64, 4079040), (70, 3729408), (80, 3263232), (84, 3107840), (96, 2719360), (105, 2486272), (112, 2330880), (120, 2175488), (128, 2039520), (140, 1864704), (160, 1631616), (168, 1553920), (192, 1359680), (210, 1243136), (224, 1165440), (240, 1087744), (256, 1019760), (280, 932352), (320, 815808), (336, 776960), (384, 679840), (420, 621568), (448, 582720), (480, 543872), (512, 509880), (560, 466176), (607, 430080), (640, 407904), (672, 388480), (768, 339920), (840, 310784), (896, 291360), (960, 271936), (1024, 254940), (1120, 233088), (1214, 215040), (1280, 203952), (1344, 194240), (1536, 169960), (1680, 155392), (1792, 145680), (1821, 143360), (1920, 135968), (2048, 127470), (2240, 116544), (2428, 107520), (2560, 101976), (2688, 97120), (3035, 86016), (3072, 84980), (3360, 77696), (3584, 72840), (3642, 71680), (3840, 67984), (4096, 63735), (4249, 61440), (4480, 58272), (4856, 53760), (5120, 50988), (5376, 48560), (6070, 43008), (6144, 42490), (6720, 38848), (7168, 36420), (7284, 35840), (7680, 33992), (8498, 30720), (8960, 29136), (9105, 28672), (9712, 26880), (10240, 25494), (10752, 24280), (12140, 21504), (12288, 21245), (12747, 20480), (13440, 19424), (14336, 18210), (14568, 17920), (15360, 16996)]