78219040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 197996400

約数和(自身を除く): 119777360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 149, 160, 170, 193, 272, 298, 340, 386, 544, 596, 680, 745, 772, 965, 1192, 1360, 1490, 1544, 1930, 2384, 2533, 2720, 2980, 3088, 3281, 3860, 4768, 5066, 5960, 6176, 6562, 7720, 10132, 11920, 12665, 13124, 15440, 16405, 20264, 23840, 25330, 26248, 28757, 30880, 32810, 40528, 50660, 52496, 57514, 65620, 81056, 101320, 104992, 115028, 131240, 143785, 202640, 230056, 262480, 287570, 405280, 460112, 488869, 524960, 575140, 920224, 977738, 1150280, 1955476, 2300560, 2444345, 3910952, 4601120, 4888690, 7821904, 9777380, 15643808, 19554760, 39109520, 78219040]

約数ペア:

[(1, 78219040), (2, 39109520), (4, 19554760), (5, 15643808), (8, 9777380), (10, 7821904), (16, 4888690), (17, 4601120), (20, 3910952), (32, 2444345), (34, 2300560), (40, 1955476), (68, 1150280), (80, 977738), (85, 920224), (136, 575140), (149, 524960), (160, 488869), (170, 460112), (193, 405280), (272, 287570), (298, 262480), (340, 230056), (386, 202640), (544, 143785), (596, 131240), (680, 115028), (745, 104992), (772, 101320), (965, 81056), (1192, 65620), (1360, 57514), (1490, 52496), (1544, 50660), (1930, 40528), (2384, 32810), (2533, 30880), (2720, 28757), (2980, 26248), (3088, 25330), (3281, 23840), (3860, 20264), (4768, 16405), (5066, 15440), (5960, 13124), (6176, 12665), (6562, 11920), (7720, 10132)]