391165440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 240

約数和(自身を含む): 1316527344

約数和(自身を除く): 925361904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 93, 96, 106, 120, 124, 128, 155, 159, 160, 186, 192, 212, 240, 248, 256, 265, 310, 318, 320, 372, 384, 424, 465, 480, 496, 512, 530, 620, 636, 640, 744, 768, 795, 848, 930, 960, 961, 992, 1060, 1240, 1272, 1280, 1488, 1536, 1590, 1643, 1696, 1860, 1920, 1922, 1984, 2120, 2480, 2544, 2560, 2883, 2976, 3180, 3286, 3392, 3720, 3840, 3844, 3968, 4240, 4805, 4929, 4960, 5088, 5766, 5952, 6360, 6572, 6784, 7440, 7680, 7688, 7936, 8215, 8480, 9610, 9858, 9920, 10176, 11532, 11904, 12720, 13144, 13568, 14415, 14880, 15376, 15872, 16430, 16960, 19220, 19716, 19840, 20352, 23064, 23808, 24645, 25440, 26288, 27136, 28830, 29760, 30752, 32860, 33920, 38440, 39432, 39680, 40704, 46128, 47616, 49290, 50880, 50933, 52576, 57660, 59520, 61504, 65720, 67840, 76880, 78864, 79360, 81408, 92256, 98580, 101760, 101866, 105152, 115320, 119040, 123008, 131440, 135680, 152799, 153760, 157728, 184512, 197160, 203520, 203732, 210304, 230640, 238080, 246016, 254665, 262880, 305598, 307520, 315456, 369024, 394320, 407040, 407464, 420608, 461280, 492032, 509330, 525760, 611196, 615040, 630912, 738048, 763995, 788640, 814928, 841216, 922560, 1018660, 1051520, 1222392, 1230080, 1261824, 1476096, 1527990, 1577280, 1629856, 1845120, 2037320, 2103040, 2444784, 2460160, 2523648, 3055980, 3154560, 3259712, 3690240, 4074640, 4206080, 4889568, 6111960, 6309120, 6519424, 7380480, 8149280, 9779136, 12223920, 12618240, 13038848, 16298560, 19558272, 24447840, 26077696, 32597120, 39116544, 48895680, 65194240, 78233088, 97791360, 130388480, 195582720, 391165440]

約数ペア:

[(1, 391165440), (2, 195582720), (3, 130388480), (4, 97791360), (5, 78233088), (6, 65194240), (8, 48895680), (10, 39116544), (12, 32597120), (15, 26077696), (16, 24447840), (20, 19558272), (24, 16298560), (30, 13038848), (31, 12618240), (32, 12223920), (40, 9779136), (48, 8149280), (53, 7380480), (60, 6519424), (62, 6309120), (64, 6111960), (80, 4889568), (93, 4206080), (96, 4074640), (106, 3690240), (120, 3259712), (124, 3154560), (128, 3055980), (155, 2523648), (159, 2460160), (160, 2444784), (186, 2103040), (192, 2037320), (212, 1845120), (240, 1629856), (248, 1577280), (256, 1527990), (265, 1476096), (310, 1261824), (318, 1230080), (320, 1222392), (372, 1051520), (384, 1018660), (424, 922560), (465, 841216), (480, 814928), (496, 788640), (512, 763995), (530, 738048), (620, 630912), (636, 615040), (640, 611196), (744, 525760), (768, 509330), (795, 492032), (848, 461280), (930, 420608), (960, 407464), (961, 407040), (992, 394320), (1060, 369024), (1240, 315456), (1272, 307520), (1280, 305598), (1488, 262880), (1536, 254665), (1590, 246016), (1643, 238080), (1696, 230640), (1860, 210304), (1920, 203732), (1922, 203520), (1984, 197160), (2120, 184512), (2480, 157728), (2544, 153760), (2560, 152799), (2883, 135680), (2976, 131440), (3180, 123008), (3286, 119040), (3392, 115320), (3720, 105152), (3840, 101866), (3844, 101760), (3968, 98580), (4240, 92256), (4805, 81408), (4929, 79360), (4960, 78864), (5088, 76880), (5766, 67840), (5952, 65720), (6360, 61504), (6572, 59520), (6784, 57660), (7440, 52576), (7680, 50933), (7688, 50880), (7936, 49290), (8215, 47616), (8480, 46128), (9610, 40704), (9858, 39680), (9920, 39432), (10176, 38440), (11532, 33920), (11904, 32860), (12720, 30752), (13144, 29760), (13568, 28830), (14415, 27136), (14880, 26288), (15376, 25440), (15872, 24645), (16430, 23808), (16960, 23064), (19220, 20352), (19716, 19840)]