87260520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1481}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 262491840

約数和(自身を除く): 175231320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1481, 1964, 2455, 2946, 2962, 3928, 4443, 4910, 5892, 5924, 7365, 7405, 8886, 9820, 11784, 11848, 14730, 14810, 17772, 19640, 22215, 29460, 29620, 35544, 44430, 58920, 59240, 88860, 177720, 727171, 1454342, 2181513, 2908684, 3635855, 4363026, 5817368, 7271710, 8726052, 10907565, 14543420, 17452104, 21815130, 29086840, 43630260, 87260520]

約数ペア:

[(1, 87260520), (2, 43630260), (3, 29086840), (4, 21815130), (5, 17452104), (6, 14543420), (8, 10907565), (10, 8726052), (12, 7271710), (15, 5817368), (20, 4363026), (24, 3635855), (30, 2908684), (40, 2181513), (60, 1454342), (120, 727171), (491, 177720), (982, 88860), (1473, 59240), (1481, 58920), (1964, 44430), (2455, 35544), (2946, 29620), (2962, 29460), (3928, 22215), (4443, 19640), (4910, 17772), (5892, 14810), (5924, 14730), (7365, 11848), (7405, 11784), (8886, 9820)]