1257688320

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:761

約数の個数: 288

約数和(自身を含む): 4662282240

約数和(自身を除く): 3404593920

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, 71, 80, 84, 96, 105, 112, 120, 128, 140, 142, 160, 168, 192, 210, 213, 224, 240, 256, 280, 284, 320, 336, 355, 384, 420, 426, 448, 480, 497, 560, 568, 640, 659, 672, 710, 768, 840, 852, 896, 960, 994, 1065, 1120, 1136, 1280, 1318, 1344, 1420, 1491, 1680, 1704, 1792, 1920, 1977, 1988, 2130, 2240, 2272, 2485, 2636, 2688, 2840, 2982, 3295, 3360, 3408, 3840, 3954, 3976, 4260, 4480, 4544, 4613, 4970, 5272, 5376, 5680, 5964, 6590, 6720, 6816, 7455, 7908, 7952, 8520, 8960, 9088, 9226, 9885, 9940, 10544, 11360, 11928, 13180, 13440, 13632, 13839, 14910, 15816, 15904, 17040, 18176, 18452, 19770, 19880, 21088, 22720, 23065, 23856, 26360, 26880, 27264, 27678, 29820, 31632, 31808, 34080, 36904, 39540, 39760, 42176, 45440, 46130, 46789, 47712, 52720, 54528, 55356, 59640, 63264, 63616, 68160, 69195, 73808, 79080, 79520, 84352, 90880, 92260, 93578, 95424, 105440, 110712, 119280, 126528, 127232, 136320, 138390, 140367, 147616, 158160, 159040, 168704, 184520, 187156, 190848, 210880, 221424, 233945, 238560, 253056, 272640, 276780, 280734, 295232, 316320, 318080, 327523, 369040, 374312, 381696, 421760, 442848, 467890, 477120, 506112, 553560, 561468, 590464, 632640, 636160, 655046, 701835, 738080, 748624, 843520, 885696, 935780, 954240, 982569, 1107120, 1122936, 1180928, 1265280, 1310092, 1403670, 1476160, 1497248, 1637615, 1771392, 1871560, 1908480, 1965138, 2214240, 2245872, 2530560, 2620184, 2807340, 2952320, 2994496, 3275230, 3542784, 3743120, 3930276, 4428480, 4491744, 4912845, 5240368, 5614680, 5904640, 5988992, 6550460, 7486240, 7860552, 8856960, 8983488, 9825690, 10480736, 11229360, 11977984, 13100920, 14972480, 15721104, 17713920, 17966976, 19651380, 20961472, 22458720, 26201840, 29944960, 31442208, 35933952, 39302760, 41922944, 44917440, 52403680, 59889920, 62884416, 78605520, 83845888, 89834880, 104807360, 125768832, 157211040, 179669760, 209614720, 251537664, 314422080, 419229440, 628844160, 1257688320]

約数ペア:

[(1, 1257688320), (2, 628844160), (3, 419229440), (4, 314422080), (5, 251537664), (6, 209614720), (7, 179669760), (8, 157211040), (10, 125768832), (12, 104807360), (14, 89834880), (15, 83845888), (16, 78605520), (20, 62884416), (21, 59889920), (24, 52403680), (28, 44917440), (30, 41922944), (32, 39302760), (35, 35933952), (40, 31442208), (42, 29944960), (48, 26201840), (56, 22458720), (60, 20961472), (64, 19651380), (70, 17966976), (71, 17713920), (80, 15721104), (84, 14972480), (96, 13100920), (105, 11977984), (112, 11229360), (120, 10480736), (128, 9825690), (140, 8983488), (142, 8856960), (160, 7860552), (168, 7486240), (192, 6550460), (210, 5988992), (213, 5904640), (224, 5614680), (240, 5240368), (256, 4912845), (280, 4491744), (284, 4428480), (320, 3930276), (336, 3743120), (355, 3542784), (384, 3275230), (420, 2994496), (426, 2952320), (448, 2807340), (480, 2620184), (497, 2530560), (560, 2245872), (568, 2214240), (640, 1965138), (659, 1908480), (672, 1871560), (710, 1771392), (768, 1637615), (840, 1497248), (852, 1476160), (896, 1403670), (960, 1310092), (994, 1265280), (1065, 1180928), (1120, 1122936), (1136, 1107120), (1280, 982569), (1318, 954240), (1344, 935780), (1420, 885696), (1491, 843520), (1680, 748624), (1704, 738080), (1792, 701835), (1920, 655046), (1977, 636160), (1988, 632640), (2130, 590464), (2240, 561468), (2272, 553560), (2485, 506112), (2636, 477120), (2688, 467890), (2840, 442848), (2982, 421760), (3295, 381696), (3360, 374312), (3408, 369040), (3840, 327523), (3954, 318080), (3976, 316320), (4260, 295232), (4480, 280734), (4544, 276780), (4613, 272640), (4970, 253056), (5272, 238560), (5376, 233945), (5680, 221424), (5964, 210880), (6590, 190848), (6720, 187156), (6816, 184520), (7455, 168704), (7908, 159040), (7952, 158160), (8520, 147616), (8960, 140367), (9088, 138390), (9226, 136320), (9885, 127232), (9940, 126528), (10544, 119280), (11360, 110712), (11928, 105440), (13180, 95424), (13440, 93578), (13632, 92260), (13839, 90880), (14910, 84352), (15816, 79520), (15904, 79080), (17040, 73808), (18176, 69195), (18452, 68160), (19770, 63616), (19880, 63264), (21088, 59640), (22720, 55356), (23065, 54528), (23856, 52720), (26360, 47712), (26880, 46789), (27264, 46130), (27678, 45440), (29820, 42176), (31632, 39760), (31808, 39540), (34080, 36904)]