320928120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 1089504000

約数和(自身を除く): 768575880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 149, 155, 180, 186, 193, 248, 279, 298, 310, 360, 372, 386, 447, 465, 558, 579, 596, 620, 744, 745, 772, 894, 930, 965, 1116, 1158, 1192, 1240, 1341, 1395, 1490, 1544, 1737, 1788, 1860, 1930, 2232, 2235, 2316, 2682, 2790, 2895, 2980, 3474, 3576, 3720, 3860, 4470, 4619, 4632, 5364, 5580, 5790, 5960, 5983, 6705, 6948, 7720, 8685, 8940, 9238, 10728, 11160, 11580, 11966, 13410, 13857, 13896, 17370, 17880, 17949, 18476, 23095, 23160, 23932, 26820, 27714, 28757, 29915, 34740, 35898, 36952, 41571, 46190, 47864, 53640, 53847, 55428, 57514, 59830, 69285, 69480, 71796, 83142, 86271, 89745, 92380, 107694, 110856, 115028, 119660, 138570, 143592, 143785, 166284, 172542, 179490, 184760, 207855, 215388, 230056, 239320, 258813, 269235, 277140, 287570, 332568, 345084, 358980, 415710, 430776, 431355, 517626, 538470, 554280, 575140, 690168, 717960, 831420, 862710, 891467, 1035252, 1076940, 1150280, 1294065, 1662840, 1725420, 1782934, 2070504, 2153880, 2588130, 2674401, 3450840, 3565868, 4457335, 5176260, 5348802, 7131736, 8023203, 8914670, 10352520, 10697604, 13372005, 16046406, 17829340, 21395208, 26744010, 32092812, 35658680, 40116015, 53488020, 64185624, 80232030, 106976040, 160464060, 320928120]

約数ペア:

[(1, 320928120), (2, 160464060), (3, 106976040), (4, 80232030), (5, 64185624), (6, 53488020), (8, 40116015), (9, 35658680), (10, 32092812), (12, 26744010), (15, 21395208), (18, 17829340), (20, 16046406), (24, 13372005), (30, 10697604), (31, 10352520), (36, 8914670), (40, 8023203), (45, 7131736), (60, 5348802), (62, 5176260), (72, 4457335), (90, 3565868), (93, 3450840), (120, 2674401), (124, 2588130), (149, 2153880), (155, 2070504), (180, 1782934), (186, 1725420), (193, 1662840), (248, 1294065), (279, 1150280), (298, 1076940), (310, 1035252), (360, 891467), (372, 862710), (386, 831420), (447, 717960), (465, 690168), (558, 575140), (579, 554280), (596, 538470), (620, 517626), (744, 431355), (745, 430776), (772, 415710), (894, 358980), (930, 345084), (965, 332568), (1116, 287570), (1158, 277140), (1192, 269235), (1240, 258813), (1341, 239320), (1395, 230056), (1490, 215388), (1544, 207855), (1737, 184760), (1788, 179490), (1860, 172542), (1930, 166284), (2232, 143785), (2235, 143592), (2316, 138570), (2682, 119660), (2790, 115028), (2895, 110856), (2980, 107694), (3474, 92380), (3576, 89745), (3720, 86271), (3860, 83142), (4470, 71796), (4619, 69480), (4632, 69285), (5364, 59830), (5580, 57514), (5790, 55428), (5960, 53847), (5983, 53640), (6705, 47864), (6948, 46190), (7720, 41571), (8685, 36952), (8940, 35898), (9238, 34740), (10728, 29915), (11160, 28757), (11580, 27714), (11966, 26820), (13410, 23932), (13857, 23160), (13896, 23095), (17370, 18476), (17880, 17949)]