312445440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 240

約数和(自身を含む): 1103072256

約数和(自身を除く): 790626816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 191, 192, 213, 240, 256, 284, 288, 320, 355, 360, 382, 384, 426, 480, 512, 568, 573, 576, 639, 640, 710, 720, 764, 768, 852, 955, 960, 1065, 1136, 1146, 1152, 1278, 1280, 1420, 1440, 1528, 1536, 1704, 1719, 1910, 1920, 2130, 2272, 2292, 2304, 2556, 2560, 2840, 2865, 2880, 3056, 3195, 3408, 3438, 3820, 3840, 4260, 4544, 4584, 4608, 5112, 5680, 5730, 5760, 6112, 6390, 6816, 6876, 7640, 7680, 8520, 8595, 9088, 9168, 10224, 11360, 11460, 11520, 12224, 12780, 13561, 13632, 13752, 15280, 17040, 17190, 18176, 18336, 20448, 22720, 22920, 23040, 24448, 25560, 27122, 27264, 27504, 30560, 34080, 34380, 36352, 36672, 40683, 40896, 45440, 45840, 48896, 51120, 54244, 54528, 55008, 61120, 67805, 68160, 68760, 73344, 81366, 81792, 90880, 91680, 97792, 102240, 108488, 109056, 110016, 122049, 122240, 135610, 136320, 137520, 146688, 162732, 163584, 181760, 183360, 203415, 204480, 216976, 220032, 244098, 244480, 271220, 272640, 275040, 293376, 325464, 327168, 366720, 406830, 408960, 433952, 440064, 488196, 488960, 542440, 545280, 550080, 610245, 650928, 733440, 813660, 817920, 867904, 880128, 976392, 1084880, 1100160, 1220490, 1301856, 1466880, 1627320, 1635840, 1735808, 1952784, 2169760, 2200320, 2440980, 2603712, 3254640, 3471616, 3905568, 4339520, 4400640, 4881960, 5207424, 6509280, 6943232, 7811136, 8679040, 9763920, 10414848, 13018560, 15622272, 17358080, 19527840, 20829696, 26037120, 31244544, 34716160, 39055680, 52074240, 62489088, 78111360, 104148480, 156222720, 312445440]

約数ペア:

[(1, 312445440), (2, 156222720), (3, 104148480), (4, 78111360), (5, 62489088), (6, 52074240), (8, 39055680), (9, 34716160), (10, 31244544), (12, 26037120), (15, 20829696), (16, 19527840), (18, 17358080), (20, 15622272), (24, 13018560), (30, 10414848), (32, 9763920), (36, 8679040), (40, 7811136), (45, 6943232), (48, 6509280), (60, 5207424), (64, 4881960), (71, 4400640), (72, 4339520), (80, 3905568), (90, 3471616), (96, 3254640), (120, 2603712), (128, 2440980), (142, 2200320), (144, 2169760), (160, 1952784), (180, 1735808), (191, 1635840), (192, 1627320), (213, 1466880), (240, 1301856), (256, 1220490), (284, 1100160), (288, 1084880), (320, 976392), (355, 880128), (360, 867904), (382, 817920), (384, 813660), (426, 733440), (480, 650928), (512, 610245), (568, 550080), (573, 545280), (576, 542440), (639, 488960), (640, 488196), (710, 440064), (720, 433952), (764, 408960), (768, 406830), (852, 366720), (955, 327168), (960, 325464), (1065, 293376), (1136, 275040), (1146, 272640), (1152, 271220), (1278, 244480), (1280, 244098), (1420, 220032), (1440, 216976), (1528, 204480), (1536, 203415), (1704, 183360), (1719, 181760), (1910, 163584), (1920, 162732), (2130, 146688), (2272, 137520), (2292, 136320), (2304, 135610), (2556, 122240), (2560, 122049), (2840, 110016), (2865, 109056), (2880, 108488), (3056, 102240), (3195, 97792), (3408, 91680), (3438, 90880), (3820, 81792), (3840, 81366), (4260, 73344), (4544, 68760), (4584, 68160), (4608, 67805), (5112, 61120), (5680, 55008), (5730, 54528), (5760, 54244), (6112, 51120), (6390, 48896), (6816, 45840), (6876, 45440), (7640, 40896), (7680, 40683), (8520, 36672), (8595, 36352), (9088, 34380), (9168, 34080), (10224, 30560), (11360, 27504), (11460, 27264), (11520, 27122), (12224, 25560), (12780, 24448), (13561, 23040), (13632, 22920), (13752, 22720), (15280, 20448), (17040, 18336), (17190, 18176)]