77825280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1596

約数の個数: 144

約数和(自身を含む): 267845760

約数和(自身を除く): 190020480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1559, 1560, 1664, 1920, 2080, 2496, 3118, 3120, 3328, 3840, 4160, 4677, 4992, 6236, 6240, 7795, 8320, 9354, 9984, 12472, 12480, 15590, 16640, 18708, 20267, 23385, 24944, 24960, 31180, 37416, 40534, 46770, 49888, 49920, 60801, 62360, 74832, 81068, 93540, 99776, 101335, 121602, 124720, 149664, 162136, 187080, 199552, 202670, 243204, 249440, 299328, 304005, 324272, 374160, 399104, 405340, 486408, 498880, 598656, 608010, 648544, 748320, 810680, 972816, 997760, 1197312, 1216020, 1297088, 1496640, 1621360, 1945632, 1995520, 2432040, 2594176, 2993280, 3242720, 3891264, 4864080, 5188352, 5986560, 6485440, 7782528, 9728160, 12970880, 15565056, 19456320, 25941760, 38912640, 77825280]

約数ペア:

[(1, 77825280), (2, 38912640), (3, 25941760), (4, 19456320), (5, 15565056), (6, 12970880), (8, 9728160), (10, 7782528), (12, 6485440), (13, 5986560), (15, 5188352), (16, 4864080), (20, 3891264), (24, 3242720), (26, 2993280), (30, 2594176), (32, 2432040), (39, 1995520), (40, 1945632), (48, 1621360), (52, 1496640), (60, 1297088), (64, 1216020), (65, 1197312), (78, 997760), (80, 972816), (96, 810680), (104, 748320), (120, 648544), (128, 608010), (130, 598656), (156, 498880), (160, 486408), (192, 405340), (195, 399104), (208, 374160), (240, 324272), (256, 304005), (260, 299328), (312, 249440), (320, 243204), (384, 202670), (390, 199552), (416, 187080), (480, 162136), (520, 149664), (624, 124720), (640, 121602), (768, 101335), (780, 99776), (832, 93540), (960, 81068), (1040, 74832), (1248, 62360), (1280, 60801), (1559, 49920), (1560, 49888), (1664, 46770), (1920, 40534), (2080, 37416), (2496, 31180), (3118, 24960), (3120, 24944), (3328, 23385), (3840, 20267), (4160, 18708), (4677, 16640), (4992, 15590), (6236, 12480), (6240, 12472), (7795, 9984), (8320, 9354)]