331358720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 1015274304

約数和(自身を除く): 683915584

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 41, 44, 55, 56, 64, 70, 77, 80, 82, 88, 110, 112, 128, 140, 154, 160, 164, 176, 205, 220, 224, 256, 280, 287, 308, 320, 328, 352, 385, 410, 440, 448, 451, 512, 560, 574, 616, 640, 656, 704, 770, 820, 880, 896, 902, 1120, 1148, 1232, 1280, 1312, 1408, 1435, 1540, 1640, 1681, 1760, 1792, 1804, 2240, 2255, 2296, 2464, 2560, 2624, 2816, 2870, 3080, 3157, 3280, 3362, 3520, 3584, 3608, 4480, 4510, 4592, 4928, 5248, 5632, 5740, 6160, 6314, 6560, 6724, 7040, 7216, 8405, 8960, 9020, 9184, 9856, 10496, 11480, 11767, 12320, 12628, 13120, 13448, 14080, 14432, 15785, 16810, 17920, 18040, 18368, 18491, 19712, 20992, 22960, 23534, 24640, 25256, 26240, 26896, 28160, 28864, 31570, 33620, 36080, 36736, 36982, 39424, 45920, 47068, 49280, 50512, 52480, 53792, 57728, 58835, 63140, 67240, 72160, 73472, 73964, 91840, 92455, 94136, 98560, 101024, 104960, 107584, 115456, 117670, 126280, 129437, 134480, 144320, 146944, 147928, 183680, 184910, 188272, 197120, 202048, 215168, 230912, 235340, 252560, 258874, 268960, 288640, 295856, 367360, 369820, 376544, 404096, 430336, 470680, 505120, 517748, 537920, 577280, 591712, 647185, 734720, 739640, 753088, 808192, 860672, 941360, 1010240, 1035496, 1075840, 1154560, 1183424, 1294370, 1479280, 1506176, 1616384, 1882720, 2020480, 2070992, 2151680, 2366848, 2588740, 2958560, 3012352, 3765440, 4040960, 4141984, 4303360, 4733696, 5177480, 5917120, 6024704, 7530880, 8081920, 8283968, 9467392, 10354960, 11834240, 15061760, 16567936, 20709920, 23668480, 30123520, 33135872, 41419840, 47336960, 66271744, 82839680, 165679360, 331358720]

約数ペア:

[(1, 331358720), (2, 165679360), (4, 82839680), (5, 66271744), (7, 47336960), (8, 41419840), (10, 33135872), (11, 30123520), (14, 23668480), (16, 20709920), (20, 16567936), (22, 15061760), (28, 11834240), (32, 10354960), (35, 9467392), (40, 8283968), (41, 8081920), (44, 7530880), (55, 6024704), (56, 5917120), (64, 5177480), (70, 4733696), (77, 4303360), (80, 4141984), (82, 4040960), (88, 3765440), (110, 3012352), (112, 2958560), (128, 2588740), (140, 2366848), (154, 2151680), (160, 2070992), (164, 2020480), (176, 1882720), (205, 1616384), (220, 1506176), (224, 1479280), (256, 1294370), (280, 1183424), (287, 1154560), (308, 1075840), (320, 1035496), (328, 1010240), (352, 941360), (385, 860672), (410, 808192), (440, 753088), (448, 739640), (451, 734720), (512, 647185), (560, 591712), (574, 577280), (616, 537920), (640, 517748), (656, 505120), (704, 470680), (770, 430336), (820, 404096), (880, 376544), (896, 369820), (902, 367360), (1120, 295856), (1148, 288640), (1232, 268960), (1280, 258874), (1312, 252560), (1408, 235340), (1435, 230912), (1540, 215168), (1640, 202048), (1681, 197120), (1760, 188272), (1792, 184910), (1804, 183680), (2240, 147928), (2255, 146944), (2296, 144320), (2464, 134480), (2560, 129437), (2624, 126280), (2816, 117670), (2870, 115456), (3080, 107584), (3157, 104960), (3280, 101024), (3362, 98560), (3520, 94136), (3584, 92455), (3608, 91840), (4480, 73964), (4510, 73472), (4592, 72160), (4928, 67240), (5248, 63140), (5632, 58835), (5740, 57728), (6160, 53792), (6314, 52480), (6560, 50512), (6724, 49280), (7040, 47068), (7216, 45920), (8405, 39424), (8960, 36982), (9020, 36736), (9184, 36080), (9856, 33620), (10496, 31570), (11480, 28864), (11767, 28160), (12320, 26896), (12628, 26240), (13120, 25256), (13448, 24640), (14080, 23534), (14432, 22960), (15785, 20992), (16810, 19712), (17920, 18491), (18040, 18368)]