256114560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 256

約数和(自身を含む): 910264320

約数和(自身を除く): 654149760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 331, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 662, 744, 780, 806, 832, 930, 960, 992, 993, 1040, 1209, 1240, 1248, 1324, 1488, 1560, 1612, 1655, 1664, 1860, 1920, 1984, 1986, 2015, 2080, 2418, 2480, 2496, 2648, 2976, 3120, 3224, 3310, 3720, 3968, 3972, 4030, 4160, 4303, 4836, 4960, 4965, 4992, 5296, 5952, 6045, 6240, 6448, 6620, 7440, 7944, 8060, 8320, 8606, 9672, 9920, 9930, 10261, 10592, 11904, 12090, 12480, 12896, 12909, 13240, 14880, 15888, 16120, 17212, 19344, 19840, 19860, 20522, 21184, 21515, 24180, 24960, 25792, 25818, 26480, 29760, 30783, 31776, 32240, 34424, 38688, 39720, 41044, 42368, 43030, 48360, 51305, 51584, 51636, 52960, 59520, 61566, 63552, 64480, 64545, 68848, 77376, 79440, 82088, 86060, 96720, 102610, 103272, 105920, 123132, 127104, 128960, 129090, 133393, 137696, 153915, 154752, 158880, 164176, 172120, 193440, 205220, 206544, 211840, 246264, 257920, 258180, 266786, 275392, 307830, 317760, 328352, 344240, 386880, 400179, 410440, 413088, 492528, 516360, 533572, 550784, 615660, 635520, 656704, 666965, 688480, 773760, 800358, 820880, 826176, 985056, 1032720, 1067144, 1231320, 1313408, 1333930, 1376960, 1600716, 1641760, 1652352, 1970112, 2000895, 2065440, 2134288, 2462640, 2667860, 2753920, 3201432, 3283520, 3940224, 4001790, 4130880, 4268576, 4925280, 5335720, 6402864, 6567040, 8003580, 8261760, 8537152, 9850560, 10671440, 12805728, 16007160, 17074304, 19701120, 21342880, 25611456, 32014320, 42685760, 51222912, 64028640, 85371520, 128057280, 256114560]

約数ペア:

[(1, 256114560), (2, 128057280), (3, 85371520), (4, 64028640), (5, 51222912), (6, 42685760), (8, 32014320), (10, 25611456), (12, 21342880), (13, 19701120), (15, 17074304), (16, 16007160), (20, 12805728), (24, 10671440), (26, 9850560), (30, 8537152), (31, 8261760), (32, 8003580), (39, 6567040), (40, 6402864), (48, 5335720), (52, 4925280), (60, 4268576), (62, 4130880), (64, 4001790), (65, 3940224), (78, 3283520), (80, 3201432), (93, 2753920), (96, 2667860), (104, 2462640), (120, 2134288), (124, 2065440), (128, 2000895), (130, 1970112), (155, 1652352), (156, 1641760), (160, 1600716), (186, 1376960), (192, 1333930), (195, 1313408), (208, 1231320), (240, 1067144), (248, 1032720), (260, 985056), (310, 826176), (312, 820880), (320, 800358), (331, 773760), (372, 688480), (384, 666965), (390, 656704), (403, 635520), (416, 615660), (465, 550784), (480, 533572), (496, 516360), (520, 492528), (620, 413088), (624, 410440), (640, 400179), (662, 386880), (744, 344240), (780, 328352), (806, 317760), (832, 307830), (930, 275392), (960, 266786), (992, 258180), (993, 257920), (1040, 246264), (1209, 211840), (1240, 206544), (1248, 205220), (1324, 193440), (1488, 172120), (1560, 164176), (1612, 158880), (1655, 154752), (1664, 153915), (1860, 137696), (1920, 133393), (1984, 129090), (1986, 128960), (2015, 127104), (2080, 123132), (2418, 105920), (2480, 103272), (2496, 102610), (2648, 96720), (2976, 86060), (3120, 82088), (3224, 79440), (3310, 77376), (3720, 68848), (3968, 64545), (3972, 64480), (4030, 63552), (4160, 61566), (4303, 59520), (4836, 52960), (4960, 51636), (4965, 51584), (4992, 51305), (5296, 48360), (5952, 43030), (6045, 42368), (6240, 41044), (6448, 39720), (6620, 38688), (7440, 34424), (7944, 32240), (8060, 31776), (8320, 30783), (8606, 29760), (9672, 26480), (9920, 25818), (9930, 25792), (10261, 24960), (10592, 24180), (11904, 21515), (12090, 21184), (12480, 20522), (12896, 19860), (12909, 19840), (13240, 19344), (14880, 17212), (15888, 16120)]