261927680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 791175168

約数和(自身を除く): 529247488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 41, 46, 56, 62, 64, 70, 80, 82, 92, 112, 115, 124, 128, 140, 155, 160, 161, 164, 184, 205, 217, 224, 230, 248, 256, 280, 287, 310, 320, 322, 328, 368, 410, 434, 448, 460, 496, 560, 574, 620, 640, 644, 656, 713, 736, 805, 820, 868, 896, 920, 943, 992, 1085, 1120, 1148, 1240, 1271, 1280, 1288, 1312, 1426, 1435, 1472, 1610, 1640, 1736, 1792, 1840, 1886, 1984, 2170, 2240, 2296, 2480, 2542, 2576, 2624, 2852, 2870, 2944, 3220, 3280, 3472, 3565, 3680, 3772, 3968, 4340, 4480, 4592, 4715, 4960, 4991, 5084, 5152, 5248, 5704, 5740, 5888, 6355, 6440, 6560, 6601, 6944, 7130, 7360, 7544, 7936, 8680, 8897, 8960, 9184, 9430, 9920, 9982, 10168, 10304, 10496, 11408, 11480, 12710, 12880, 13120, 13202, 13888, 14260, 14720, 15088, 17360, 17794, 18368, 18860, 19840, 19964, 20336, 20608, 22816, 22960, 24955, 25420, 25760, 26240, 26404, 27776, 28520, 29233, 29440, 30176, 33005, 34720, 35588, 36736, 37720, 39680, 39928, 40672, 41216, 44485, 45632, 45920, 49910, 50840, 51520, 52480, 52808, 55552, 57040, 58466, 60352, 66010, 69440, 71176, 73472, 75440, 79856, 81344, 88970, 91264, 91840, 99820, 101680, 103040, 105616, 114080, 116932, 120704, 132020, 138880, 142352, 146165, 150880, 159712, 162688, 177940, 182528, 183680, 199640, 203360, 204631, 206080, 211232, 228160, 233864, 241408, 264040, 277760, 284704, 292330, 301760, 319424, 325376, 355880, 367360, 399280, 406720, 409262, 422464, 456320, 467728, 528080, 569408, 584660, 603520, 638848, 711760, 798560, 813440, 818524, 844928, 912640, 935456, 1023155, 1056160, 1138816, 1169320, 1207040, 1277696, 1423520, 1597120, 1626880, 1637048, 1689856, 1870912, 2046310, 2112320, 2277632, 2338640, 2847040, 3194240, 3274096, 3741824, 4092620, 4224640, 4677280, 5694080, 6388480, 6548192, 7483648, 8185240, 8449280, 9354560, 11388160, 13096384, 16370480, 18709120, 26192768, 32740960, 37418240, 52385536, 65481920, 130963840, 261927680]

約数ペア:

[(1, 261927680), (2, 130963840), (4, 65481920), (5, 52385536), (7, 37418240), (8, 32740960), (10, 26192768), (14, 18709120), (16, 16370480), (20, 13096384), (23, 11388160), (28, 9354560), (31, 8449280), (32, 8185240), (35, 7483648), (40, 6548192), (41, 6388480), (46, 5694080), (56, 4677280), (62, 4224640), (64, 4092620), (70, 3741824), (80, 3274096), (82, 3194240), (92, 2847040), (112, 2338640), (115, 2277632), (124, 2112320), (128, 2046310), (140, 1870912), (155, 1689856), (160, 1637048), (161, 1626880), (164, 1597120), (184, 1423520), (205, 1277696), (217, 1207040), (224, 1169320), (230, 1138816), (248, 1056160), (256, 1023155), (280, 935456), (287, 912640), (310, 844928), (320, 818524), (322, 813440), (328, 798560), (368, 711760), (410, 638848), (434, 603520), (448, 584660), (460, 569408), (496, 528080), (560, 467728), (574, 456320), (620, 422464), (640, 409262), (644, 406720), (656, 399280), (713, 367360), (736, 355880), (805, 325376), (820, 319424), (868, 301760), (896, 292330), (920, 284704), (943, 277760), (992, 264040), (1085, 241408), (1120, 233864), (1148, 228160), (1240, 211232), (1271, 206080), (1280, 204631), (1288, 203360), (1312, 199640), (1426, 183680), (1435, 182528), (1472, 177940), (1610, 162688), (1640, 159712), (1736, 150880), (1792, 146165), (1840, 142352), (1886, 138880), (1984, 132020), (2170, 120704), (2240, 116932), (2296, 114080), (2480, 105616), (2542, 103040), (2576, 101680), (2624, 99820), (2852, 91840), (2870, 91264), (2944, 88970), (3220, 81344), (3280, 79856), (3472, 75440), (3565, 73472), (3680, 71176), (3772, 69440), (3968, 66010), (4340, 60352), (4480, 58466), (4592, 57040), (4715, 55552), (4960, 52808), (4991, 52480), (5084, 51520), (5152, 50840), (5248, 49910), (5704, 45920), (5740, 45632), (5888, 44485), (6355, 41216), (6440, 40672), (6560, 39928), (6601, 39680), (6944, 37720), (7130, 36736), (7360, 35588), (7544, 34720), (7936, 33005), (8680, 30176), (8897, 29440), (8960, 29233), (9184, 28520), (9430, 27776), (9920, 26404), (9982, 26240), (10168, 25760), (10304, 25420), (10496, 24955), (11408, 22960), (11480, 22816), (12710, 20608), (12880, 20336), (13120, 19964), (13202, 19840), (13888, 18860), (14260, 18368), (14720, 17794), (15088, 17360)]