65481920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 224

約数和(自身を含む): 196632576

約数和(自身を除く): 131150656

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, 140, 155, 160, 161, 164, 184, 205, 217, 224, 230, 248, 280, 287, 310, 320, 322, 328, 368, 410, 434, 448, 460, 496, 560, 574, 620, 644, 656, 713, 736, 805, 820, 868, 920, 943, 992, 1085, 1120, 1148, 1240, 1271, 1288, 1312, 1426, 1435, 1472, 1610, 1640, 1736, 1840, 1886, 1984, 2170, 2240, 2296, 2480, 2542, 2576, 2624, 2852, 2870, 3220, 3280, 3472, 3565, 3680, 3772, 4340, 4592, 4715, 4960, 4991, 5084, 5152, 5704, 5740, 6355, 6440, 6560, 6601, 6944, 7130, 7360, 7544, 8680, 8897, 9184, 9430, 9920, 9982, 10168, 10304, 11408, 11480, 12710, 12880, 13120, 13202, 13888, 14260, 15088, 17360, 17794, 18368, 18860, 19964, 20336, 22816, 22960, 24955, 25420, 25760, 26404, 28520, 29233, 30176, 33005, 34720, 35588, 37720, 39928, 40672, 44485, 45632, 45920, 49910, 50840, 51520, 52808, 57040, 58466, 60352, 66010, 69440, 71176, 75440, 79856, 81344, 88970, 91840, 99820, 101680, 105616, 114080, 116932, 132020, 142352, 146165, 150880, 159712, 177940, 199640, 203360, 204631, 211232, 228160, 233864, 264040, 284704, 292330, 301760, 319424, 355880, 399280, 406720, 409262, 422464, 467728, 528080, 569408, 584660, 711760, 798560, 818524, 935456, 1023155, 1056160, 1169320, 1423520, 1597120, 1637048, 1870912, 2046310, 2112320, 2338640, 2847040, 3274096, 4092620, 4677280, 6548192, 8185240, 9354560, 13096384, 16370480, 32740960, 65481920]

約数ペア:

[(1, 65481920), (2, 32740960), (4, 16370480), (5, 13096384), (7, 9354560), (8, 8185240), (10, 6548192), (14, 4677280), (16, 4092620), (20, 3274096), (23, 2847040), (28, 2338640), (31, 2112320), (32, 2046310), (35, 1870912), (40, 1637048), (41, 1597120), (46, 1423520), (56, 1169320), (62, 1056160), (64, 1023155), (70, 935456), (80, 818524), (82, 798560), (92, 711760), (112, 584660), (115, 569408), (124, 528080), (140, 467728), (155, 422464), (160, 409262), (161, 406720), (164, 399280), (184, 355880), (205, 319424), (217, 301760), (224, 292330), (230, 284704), (248, 264040), (280, 233864), (287, 228160), (310, 211232), (320, 204631), (322, 203360), (328, 199640), (368, 177940), (410, 159712), (434, 150880), (448, 146165), (460, 142352), (496, 132020), (560, 116932), (574, 114080), (620, 105616), (644, 101680), (656, 99820), (713, 91840), (736, 88970), (805, 81344), (820, 79856), (868, 75440), (920, 71176), (943, 69440), (992, 66010), (1085, 60352), (1120, 58466), (1148, 57040), (1240, 52808), (1271, 51520), (1288, 50840), (1312, 49910), (1426, 45920), (1435, 45632), (1472, 44485), (1610, 40672), (1640, 39928), (1736, 37720), (1840, 35588), (1886, 34720), (1984, 33005), (2170, 30176), (2240, 29233), (2296, 28520), (2480, 26404), (2542, 25760), (2576, 25420), (2624, 24955), (2852, 22960), (2870, 22816), (3220, 20336), (3280, 19964), (3472, 18860), (3565, 18368), (3680, 17794), (3772, 17360), (4340, 15088), (4592, 14260), (4715, 13888), (4960, 13202), (4991, 13120), (5084, 12880), (5152, 12710), (5704, 11480), (5740, 11408), (6355, 10304), (6440, 10168), (6560, 9982), (6601, 9920), (6944, 9430), (7130, 9184), (7360, 8897), (7544, 8680)]