85980720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:923

約数の個数: 160

約数和(自身を含む): 309980160

約数和(自身を除く): 223999440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 839, 840, 854, 915, 976, 1220, 1281, 1464, 1678, 1680, 1708, 1830, 2135, 2440, 2517, 2562, 2928, 3356, 3416, 3660, 4195, 4270, 4880, 5034, 5124, 5873, 6405, 6712, 6832, 7320, 8390, 8540, 10068, 10248, 11746, 12585, 12810, 13424, 14640, 16780, 17080, 17619, 20136, 20496, 23492, 25170, 25620, 29365, 33560, 34160, 35238, 40272, 46984, 50340, 51179, 51240, 58730, 67120, 70476, 88095, 93968, 100680, 102358, 102480, 117460, 140952, 153537, 176190, 201360, 204716, 234920, 255895, 281904, 307074, 352380, 358253, 409432, 469840, 511790, 614148, 704760, 716506, 767685, 818864, 1023580, 1074759, 1228296, 1409520, 1433012, 1535370, 1791265, 2047160, 2149518, 2456592, 2866024, 3070740, 3582530, 4094320, 4299036, 5373795, 5732048, 6141480, 7165060, 8598072, 10747590, 12282960, 14330120, 17196144, 21495180, 28660240, 42990360, 85980720]

約数ペア:

[(1, 85980720), (2, 42990360), (3, 28660240), (4, 21495180), (5, 17196144), (6, 14330120), (7, 12282960), (8, 10747590), (10, 8598072), (12, 7165060), (14, 6141480), (15, 5732048), (16, 5373795), (20, 4299036), (21, 4094320), (24, 3582530), (28, 3070740), (30, 2866024), (35, 2456592), (40, 2149518), (42, 2047160), (48, 1791265), (56, 1535370), (60, 1433012), (61, 1409520), (70, 1228296), (80, 1074759), (84, 1023580), (105, 818864), (112, 767685), (120, 716506), (122, 704760), (140, 614148), (168, 511790), (183, 469840), (210, 409432), (240, 358253), (244, 352380), (280, 307074), (305, 281904), (336, 255895), (366, 234920), (420, 204716), (427, 201360), (488, 176190), (560, 153537), (610, 140952), (732, 117460), (839, 102480), (840, 102358), (854, 100680), (915, 93968), (976, 88095), (1220, 70476), (1281, 67120), (1464, 58730), (1678, 51240), (1680, 51179), (1708, 50340), (1830, 46984), (2135, 40272), (2440, 35238), (2517, 34160), (2562, 33560), (2928, 29365), (3356, 25620), (3416, 25170), (3660, 23492), (4195, 20496), (4270, 20136), (4880, 17619), (5034, 17080), (5124, 16780), (5873, 14640), (6405, 13424), (6712, 12810), (6832, 12585), (7320, 11746), (8390, 10248), (8540, 10068)]