81548880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48541}}^1$

素因数の和:48564

約数の個数: 80

約数和(自身を含む): 288921984

約数和(自身を除く): 207373104

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, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48541, 97082, 145623, 194164, 242705, 291246, 339787, 388328, 485410, 582492, 679574, 728115, 776656, 970820, 1019361, 1164984, 1359148, 1456230, 1698935, 1941640, 2038722, 2329968, 2718296, 2912460, 3397870, 3883280, 4077444, 5096805, 5436592, 5824920, 6795740, 8154888, 10193610, 11649840, 13591480, 16309776, 20387220, 27182960, 40774440, 81548880]

約数ペア:

[(1, 81548880), (2, 40774440), (3, 27182960), (4, 20387220), (5, 16309776), (6, 13591480), (7, 11649840), (8, 10193610), (10, 8154888), (12, 6795740), (14, 5824920), (15, 5436592), (16, 5096805), (20, 4077444), (21, 3883280), (24, 3397870), (28, 2912460), (30, 2718296), (35, 2329968), (40, 2038722), (42, 1941640), (48, 1698935), (56, 1456230), (60, 1359148), (70, 1164984), (80, 1019361), (84, 970820), (105, 776656), (112, 728115), (120, 679574), (140, 582492), (168, 485410), (210, 388328), (240, 339787), (280, 291246), (336, 242705), (420, 194164), (560, 145623), (840, 97082), (1680, 48541)]