157225520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{599}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 389707200

約数和(自身を除く): 232481680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 193, 272, 340, 386, 599, 680, 772, 965, 1198, 1360, 1544, 1930, 2396, 2995, 3088, 3281, 3860, 4792, 5990, 6562, 7720, 9584, 10183, 11980, 13124, 15440, 16405, 20366, 23960, 26248, 32810, 40732, 47920, 50915, 52496, 65620, 81464, 101830, 115607, 131240, 162928, 203660, 231214, 262480, 407320, 462428, 578035, 814640, 924856, 1156070, 1849712, 1965319, 2312140, 3930638, 4624280, 7861276, 9248560, 9826595, 15722552, 19653190, 31445104, 39306380, 78612760, 157225520]

約数ペア:

[(1, 157225520), (2, 78612760), (4, 39306380), (5, 31445104), (8, 19653190), (10, 15722552), (16, 9826595), (17, 9248560), (20, 7861276), (34, 4624280), (40, 3930638), (68, 2312140), (80, 1965319), (85, 1849712), (136, 1156070), (170, 924856), (193, 814640), (272, 578035), (340, 462428), (386, 407320), (599, 262480), (680, 231214), (772, 203660), (965, 162928), (1198, 131240), (1360, 115607), (1544, 101830), (1930, 81464), (2396, 65620), (2995, 52496), (3088, 50915), (3281, 47920), (3860, 40732), (4792, 32810), (5990, 26248), (6562, 23960), (7720, 20366), (9584, 16405), (10183, 15440), (11980, 13124)]