81114240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:614

約数の個数: 128

約数和(自身を含む): 262180800

約数和(自身を除く): 181066560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 320, 332, 384, 415, 480, 498, 509, 640, 664, 830, 960, 996, 1018, 1245, 1328, 1527, 1660, 1920, 1992, 2036, 2490, 2545, 2656, 3054, 3320, 3984, 4072, 4980, 5090, 5312, 6108, 6640, 7635, 7968, 8144, 9960, 10180, 10624, 12216, 13280, 15270, 15936, 16288, 19920, 20360, 24432, 26560, 30540, 31872, 32576, 39840, 40720, 42247, 48864, 53120, 61080, 65152, 79680, 81440, 84494, 97728, 122160, 126741, 159360, 162880, 168988, 195456, 211235, 244320, 253482, 325760, 337976, 422470, 488640, 506964, 633705, 675952, 844940, 977280, 1013928, 1267410, 1351904, 1689880, 2027856, 2534820, 2703808, 3379760, 4055712, 5069640, 5407616, 6759520, 8111424, 10139280, 13519040, 16222848, 20278560, 27038080, 40557120, 81114240]

約数ペア:

[(1, 81114240), (2, 40557120), (3, 27038080), (4, 20278560), (5, 16222848), (6, 13519040), (8, 10139280), (10, 8111424), (12, 6759520), (15, 5407616), (16, 5069640), (20, 4055712), (24, 3379760), (30, 2703808), (32, 2534820), (40, 2027856), (48, 1689880), (60, 1351904), (64, 1267410), (80, 1013928), (83, 977280), (96, 844940), (120, 675952), (128, 633705), (160, 506964), (166, 488640), (192, 422470), (240, 337976), (249, 325760), (320, 253482), (332, 244320), (384, 211235), (415, 195456), (480, 168988), (498, 162880), (509, 159360), (640, 126741), (664, 122160), (830, 97728), (960, 84494), (996, 81440), (1018, 79680), (1245, 65152), (1328, 61080), (1527, 53120), (1660, 48864), (1920, 42247), (1992, 40720), (2036, 39840), (2490, 32576), (2545, 31872), (2656, 30540), (3054, 26560), (3320, 24432), (3984, 20360), (4072, 19920), (4980, 16288), (5090, 15936), (5312, 15270), (6108, 13280), (6640, 12216), (7635, 10624), (7968, 10180), (8144, 9960)]