27612880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 41132720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 349, 368, 430, 460, 688, 698, 860, 920, 989, 1396, 1720, 1745, 1840, 1978, 2792, 3440, 3490, 3956, 4945, 5584, 6980, 7912, 8027, 9890, 13960, 15007, 15824, 16054, 19780, 27920, 30014, 32108, 39560, 40135, 60028, 64216, 75035, 79120, 80270, 120056, 128432, 150070, 160540, 240112, 300140, 321080, 345161, 600280, 642160, 690322, 1200560, 1380644, 1725805, 2761288, 3451610, 5522576, 6903220, 13806440, 27612880]

約数ペア:

[(1, 27612880), (2, 13806440), (4, 6903220), (5, 5522576), (8, 3451610), (10, 2761288), (16, 1725805), (20, 1380644), (23, 1200560), (40, 690322), (43, 642160), (46, 600280), (80, 345161), (86, 321080), (92, 300140), (115, 240112), (172, 160540), (184, 150070), (215, 128432), (230, 120056), (344, 80270), (349, 79120), (368, 75035), (430, 64216), (460, 60028), (688, 40135), (698, 39560), (860, 32108), (920, 30014), (989, 27920), (1396, 19780), (1720, 16054), (1745, 15824), (1840, 15007), (1978, 13960), (2792, 9890), (3440, 8027), (3490, 7912), (3956, 6980), (4945, 5584)]