642145280

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 352

約数和(自身を含む): 1980840960

約数和(自身を除く): 1338695680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 41, 46, 56, 64, 70, 76, 80, 82, 92, 95, 112, 115, 128, 133, 140, 152, 160, 161, 164, 184, 190, 205, 224, 230, 256, 266, 280, 287, 304, 320, 322, 328, 368, 380, 410, 437, 448, 460, 512, 532, 560, 574, 608, 640, 644, 656, 665, 736, 760, 779, 805, 820, 874, 896, 920, 943, 1024, 1064, 1120, 1148, 1216, 1280, 1288, 1312, 1330, 1435, 1472, 1520, 1558, 1610, 1640, 1748, 1792, 1840, 1886, 2128, 2185, 2240, 2296, 2432, 2560, 2576, 2624, 2660, 2870, 2944, 3040, 3059, 3116, 3220, 3280, 3496, 3584, 3680, 3772, 3895, 4256, 4370, 4480, 4592, 4715, 4864, 5120, 5152, 5248, 5320, 5453, 5740, 5888, 6080, 6118, 6232, 6440, 6560, 6601, 6992, 7168, 7360, 7544, 7790, 8512, 8740, 8960, 9184, 9430, 9728, 10304, 10496, 10640, 10906, 11480, 11776, 12160, 12236, 12464, 12880, 13120, 13202, 13984, 14720, 15088, 15295, 15580, 17024, 17480, 17917, 17920, 18368, 18860, 19456, 20608, 20992, 21280, 21812, 22960, 23552, 24320, 24472, 24928, 25760, 26240, 26404, 27265, 27968, 29440, 30176, 30590, 31160, 33005, 34048, 34960, 35834, 35840, 36736, 37720, 41216, 41984, 42560, 43624, 45920, 48640, 48944, 49856, 51520, 52480, 52808, 54530, 55936, 58880, 60352, 61180, 62320, 66010, 68096, 69920, 71668, 73472, 75440, 82432, 85120, 87248, 89585, 91840, 97280, 97888, 99712, 103040, 104960, 105616, 109060, 111872, 117760, 120704, 122360, 124640, 125419, 132020, 136192, 139840, 143336, 146944, 150880, 164864, 170240, 174496, 179170, 183680, 195776, 199424, 206080, 209920, 211232, 218120, 223744, 241408, 244720, 249280, 250838, 264040, 279680, 286672, 293888, 301760, 340480, 348992, 358340, 367360, 391552, 398848, 412160, 422464, 436240, 447488, 482816, 489440, 498560, 501676, 528080, 559360, 573344, 603520, 627095, 680960, 697984, 716680, 734720, 783104, 797696, 824320, 844928, 872480, 965632, 978880, 997120, 1003352, 1056160, 1118720, 1146688, 1207040, 1254190, 1395968, 1433360, 1469440, 1566208, 1689856, 1744960, 1957760, 1994240, 2006704, 2112320, 2237440, 2293376, 2414080, 2508380, 2791936, 2866720, 3132416, 3379712, 3489920, 3915520, 3988480, 4013408, 4224640, 4586752, 4828160, 5016760, 5583872, 5733440, 6759424, 6979840, 7831040, 8026816, 8449280, 9173504, 10033520, 11466880, 13959680, 15662080, 16053632, 16898560, 18347008, 20067040, 22933760, 27919360, 32107264, 33797120, 40134080, 45867520, 64214528, 80268160, 91735040, 128429056, 160536320, 321072640, 642145280]

約数ペア:

[(1, 642145280), (2, 321072640), (4, 160536320), (5, 128429056), (7, 91735040), (8, 80268160), (10, 64214528), (14, 45867520), (16, 40134080), (19, 33797120), (20, 32107264), (23, 27919360), (28, 22933760), (32, 20067040), (35, 18347008), (38, 16898560), (40, 16053632), (41, 15662080), (46, 13959680), (56, 11466880), (64, 10033520), (70, 9173504), (76, 8449280), (80, 8026816), (82, 7831040), (92, 6979840), (95, 6759424), (112, 5733440), (115, 5583872), (128, 5016760), (133, 4828160), (140, 4586752), (152, 4224640), (160, 4013408), (161, 3988480), (164, 3915520), (184, 3489920), (190, 3379712), (205, 3132416), (224, 2866720), (230, 2791936), (256, 2508380), (266, 2414080), (280, 2293376), (287, 2237440), (304, 2112320), (320, 2006704), (322, 1994240), (328, 1957760), (368, 1744960), (380, 1689856), (410, 1566208), (437, 1469440), (448, 1433360), (460, 1395968), (512, 1254190), (532, 1207040), (560, 1146688), (574, 1118720), (608, 1056160), (640, 1003352), (644, 997120), (656, 978880), (665, 965632), (736, 872480), (760, 844928), (779, 824320), (805, 797696), (820, 783104), (874, 734720), (896, 716680), (920, 697984), (943, 680960), (1024, 627095), (1064, 603520), (1120, 573344), (1148, 559360), (1216, 528080), (1280, 501676), (1288, 498560), (1312, 489440), (1330, 482816), (1435, 447488), (1472, 436240), (1520, 422464), (1558, 412160), (1610, 398848), (1640, 391552), (1748, 367360), (1792, 358340), (1840, 348992), (1886, 340480), (2128, 301760), (2185, 293888), (2240, 286672), (2296, 279680), (2432, 264040), (2560, 250838), (2576, 249280), (2624, 244720), (2660, 241408), (2870, 223744), (2944, 218120), (3040, 211232), (3059, 209920), (3116, 206080), (3220, 199424), (3280, 195776), (3496, 183680), (3584, 179170), (3680, 174496), (3772, 170240), (3895, 164864), (4256, 150880), (4370, 146944), (4480, 143336), (4592, 139840), (4715, 136192), (4864, 132020), (5120, 125419), (5152, 124640), (5248, 122360), (5320, 120704), (5453, 117760), (5740, 111872), (5888, 109060), (6080, 105616), (6118, 104960), (6232, 103040), (6440, 99712), (6560, 97888), (6601, 97280), (6992, 91840), (7168, 89585), (7360, 87248), (7544, 85120), (7790, 82432), (8512, 75440), (8740, 73472), (8960, 71668), (9184, 69920), (9430, 68096), (9728, 66010), (10304, 62320), (10496, 61180), (10640, 60352), (10906, 58880), (11480, 55936), (11776, 54530), (12160, 52808), (12236, 52480), (12464, 51520), (12880, 49856), (13120, 48944), (13202, 48640), (13984, 45920), (14720, 43624), (15088, 42560), (15295, 41984), (15580, 41216), (17024, 37720), (17480, 36736), (17917, 35840), (17920, 35834), (18368, 34960), (18860, 34048), (19456, 33005), (20608, 31160), (20992, 30590), (21280, 30176), (21812, 29440), (22960, 27968), (23552, 27265), (24320, 26404), (24472, 26240), (24928, 25760)]