257752320

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 288

約数和(自身を含む): 966991872

約数和(自身を除く): 709239552

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, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 223, 224, 240, 256, 258, 280, 301, 320, 336, 344, 384, 420, 430, 446, 448, 480, 516, 560, 602, 640, 645, 669, 672, 688, 768, 840, 860, 892, 896, 903, 960, 1032, 1115, 1120, 1204, 1280, 1290, 1338, 1344, 1376, 1505, 1561, 1680, 1720, 1784, 1792, 1806, 1920, 2064, 2230, 2240, 2408, 2580, 2676, 2688, 2752, 3010, 3122, 3345, 3360, 3440, 3568, 3612, 3840, 4128, 4460, 4480, 4515, 4683, 4816, 5160, 5352, 5376, 5504, 6020, 6244, 6690, 6720, 6880, 7136, 7224, 7805, 8256, 8920, 8960, 9030, 9366, 9589, 9632, 10320, 10704, 11008, 12040, 12488, 13380, 13440, 13760, 14272, 14448, 15610, 16512, 17840, 18060, 18732, 19178, 19264, 20640, 21408, 23415, 24080, 24976, 26760, 26880, 27520, 28544, 28767, 28896, 31220, 33024, 35680, 36120, 37464, 38356, 38528, 41280, 42816, 46830, 47945, 48160, 49952, 53520, 55040, 57088, 57534, 57792, 62440, 67123, 71360, 72240, 74928, 76712, 77056, 82560, 85632, 93660, 95890, 96320, 99904, 107040, 115068, 115584, 124880, 134246, 142720, 143835, 144480, 149856, 153424, 165120, 171264, 187320, 191780, 192640, 199808, 201369, 214080, 230136, 231168, 249760, 268492, 285440, 287670, 288960, 299712, 306848, 335615, 374640, 383560, 385280, 399616, 402738, 428160, 460272, 499520, 536984, 575340, 577920, 599424, 613696, 671230, 749280, 767120, 805476, 856320, 920544, 999040, 1006845, 1073968, 1150680, 1155840, 1198848, 1227392, 1342460, 1498560, 1534240, 1610952, 1841088, 1998080, 2013690, 2147936, 2301360, 2454784, 2684920, 2997120, 3068480, 3221904, 3682176, 4027380, 4295872, 4602720, 5369840, 5994240, 6136960, 6443808, 7364352, 8054760, 8591744, 9205440, 10739680, 12273920, 12887616, 16109520, 17183488, 18410880, 21479360, 25775232, 32219040, 36821760, 42958720, 51550464, 64438080, 85917440, 128876160, 257752320]

約数ペア:

[(1, 257752320), (2, 128876160), (3, 85917440), (4, 64438080), (5, 51550464), (6, 42958720), (7, 36821760), (8, 32219040), (10, 25775232), (12, 21479360), (14, 18410880), (15, 17183488), (16, 16109520), (20, 12887616), (21, 12273920), (24, 10739680), (28, 9205440), (30, 8591744), (32, 8054760), (35, 7364352), (40, 6443808), (42, 6136960), (43, 5994240), (48, 5369840), (56, 4602720), (60, 4295872), (64, 4027380), (70, 3682176), (80, 3221904), (84, 3068480), (86, 2997120), (96, 2684920), (105, 2454784), (112, 2301360), (120, 2147936), (128, 2013690), (129, 1998080), (140, 1841088), (160, 1610952), (168, 1534240), (172, 1498560), (192, 1342460), (210, 1227392), (215, 1198848), (223, 1155840), (224, 1150680), (240, 1073968), (256, 1006845), (258, 999040), (280, 920544), (301, 856320), (320, 805476), (336, 767120), (344, 749280), (384, 671230), (420, 613696), (430, 599424), (446, 577920), (448, 575340), (480, 536984), (516, 499520), (560, 460272), (602, 428160), (640, 402738), (645, 399616), (669, 385280), (672, 383560), (688, 374640), (768, 335615), (840, 306848), (860, 299712), (892, 288960), (896, 287670), (903, 285440), (960, 268492), (1032, 249760), (1115, 231168), (1120, 230136), (1204, 214080), (1280, 201369), (1290, 199808), (1338, 192640), (1344, 191780), (1376, 187320), (1505, 171264), (1561, 165120), (1680, 153424), (1720, 149856), (1784, 144480), (1792, 143835), (1806, 142720), (1920, 134246), (2064, 124880), (2230, 115584), (2240, 115068), (2408, 107040), (2580, 99904), (2676, 96320), (2688, 95890), (2752, 93660), (3010, 85632), (3122, 82560), (3345, 77056), (3360, 76712), (3440, 74928), (3568, 72240), (3612, 71360), (3840, 67123), (4128, 62440), (4460, 57792), (4480, 57534), (4515, 57088), (4683, 55040), (4816, 53520), (5160, 49952), (5352, 48160), (5376, 47945), (5504, 46830), (6020, 42816), (6244, 41280), (6690, 38528), (6720, 38356), (6880, 37464), (7136, 36120), (7224, 35680), (7805, 33024), (8256, 31220), (8920, 28896), (8960, 28767), (9030, 28544), (9366, 27520), (9589, 26880), (9632, 26760), (10320, 24976), (10704, 24080), (11008, 23415), (12040, 21408), (12488, 20640), (13380, 19264), (13440, 19178), (13760, 18732), (14272, 18060), (14448, 17840), (15610, 16512)]