80686760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 256

約数和(自身を含む): 253808640

約数和(自身を除く): 173121880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 23, 28, 34, 35, 40, 44, 46, 55, 56, 67, 68, 70, 77, 85, 88, 92, 110, 115, 119, 134, 136, 140, 154, 161, 170, 184, 187, 220, 230, 238, 253, 268, 280, 308, 322, 335, 340, 374, 385, 391, 440, 460, 469, 476, 506, 536, 595, 616, 644, 670, 680, 737, 748, 770, 782, 805, 920, 935, 938, 952, 1012, 1139, 1190, 1265, 1288, 1309, 1340, 1474, 1496, 1540, 1541, 1564, 1610, 1771, 1870, 1876, 1955, 2024, 2278, 2345, 2380, 2530, 2618, 2680, 2737, 2948, 3080, 3082, 3128, 3220, 3542, 3685, 3740, 3752, 3910, 4301, 4556, 4690, 4760, 5060, 5159, 5236, 5474, 5695, 5896, 6164, 6440, 6545, 7084, 7370, 7480, 7705, 7820, 7973, 8602, 8855, 9112, 9380, 10120, 10318, 10472, 10787, 10948, 11390, 12328, 12529, 13090, 13685, 14168, 14740, 15410, 15640, 15946, 16951, 17204, 17710, 18760, 20636, 21505, 21574, 21896, 22780, 25058, 25795, 26180, 26197, 27370, 29480, 30107, 30820, 31892, 33902, 34408, 35420, 39865, 41272, 43010, 43148, 45560, 50116, 51590, 52360, 52394, 53935, 54740, 60214, 61640, 62645, 63784, 67804, 70840, 79730, 84755, 86020, 86296, 87703, 100232, 103180, 104788, 107870, 109480, 118657, 120428, 125290, 130985, 135608, 150535, 159460, 169510, 172040, 175406, 183379, 206360, 209576, 215740, 237314, 240856, 250580, 261970, 288167, 301070, 318920, 339020, 350812, 366758, 431480, 438515, 474628, 501160, 523940, 576334, 593285, 602140, 678040, 701624, 733516, 877030, 916895, 949256, 1047880, 1152668, 1186570, 1204280, 1440835, 1467032, 1754060, 1833790, 2017169, 2305336, 2373140, 2881670, 3508120, 3667580, 4034338, 4746280, 5763340, 7335160, 8068676, 10085845, 11526680, 16137352, 20171690, 40343380, 80686760]

約数ペア:

[(1, 80686760), (2, 40343380), (4, 20171690), (5, 16137352), (7, 11526680), (8, 10085845), (10, 8068676), (11, 7335160), (14, 5763340), (17, 4746280), (20, 4034338), (22, 3667580), (23, 3508120), (28, 2881670), (34, 2373140), (35, 2305336), (40, 2017169), (44, 1833790), (46, 1754060), (55, 1467032), (56, 1440835), (67, 1204280), (68, 1186570), (70, 1152668), (77, 1047880), (85, 949256), (88, 916895), (92, 877030), (110, 733516), (115, 701624), (119, 678040), (134, 602140), (136, 593285), (140, 576334), (154, 523940), (161, 501160), (170, 474628), (184, 438515), (187, 431480), (220, 366758), (230, 350812), (238, 339020), (253, 318920), (268, 301070), (280, 288167), (308, 261970), (322, 250580), (335, 240856), (340, 237314), (374, 215740), (385, 209576), (391, 206360), (440, 183379), (460, 175406), (469, 172040), (476, 169510), (506, 159460), (536, 150535), (595, 135608), (616, 130985), (644, 125290), (670, 120428), (680, 118657), (737, 109480), (748, 107870), (770, 104788), (782, 103180), (805, 100232), (920, 87703), (935, 86296), (938, 86020), (952, 84755), (1012, 79730), (1139, 70840), (1190, 67804), (1265, 63784), (1288, 62645), (1309, 61640), (1340, 60214), (1474, 54740), (1496, 53935), (1540, 52394), (1541, 52360), (1564, 51590), (1610, 50116), (1771, 45560), (1870, 43148), (1876, 43010), (1955, 41272), (2024, 39865), (2278, 35420), (2345, 34408), (2380, 33902), (2530, 31892), (2618, 30820), (2680, 30107), (2737, 29480), (2948, 27370), (3080, 26197), (3082, 26180), (3128, 25795), (3220, 25058), (3542, 22780), (3685, 21896), (3740, 21574), (3752, 21505), (3910, 20636), (4301, 18760), (4556, 17710), (4690, 17204), (4760, 16951), (5060, 15946), (5159, 15640), (5236, 15410), (5474, 14740), (5695, 14168), (5896, 13685), (6164, 13090), (6440, 12529), (6545, 12328), (7084, 11390), (7370, 10948), (7480, 10787), (7705, 10472), (7820, 10318), (7973, 10120), (8602, 9380), (8855, 9112)]