31472560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 85637376

約数和(自身を除く): 54164816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1307, 1505, 1720, 2408, 2614, 3010, 3440, 4816, 5228, 6020, 6535, 9149, 10456, 12040, 13070, 18298, 20912, 24080, 26140, 36596, 45745, 52280, 56201, 73192, 91490, 104560, 112402, 146384, 182980, 224804, 281005, 365960, 393407, 449608, 562010, 731920, 786814, 899216, 1124020, 1573628, 1967035, 2248040, 3147256, 3934070, 4496080, 6294512, 7868140, 15736280, 31472560]

約数ペア:

[(1, 31472560), (2, 15736280), (4, 7868140), (5, 6294512), (7, 4496080), (8, 3934070), (10, 3147256), (14, 2248040), (16, 1967035), (20, 1573628), (28, 1124020), (35, 899216), (40, 786814), (43, 731920), (56, 562010), (70, 449608), (80, 393407), (86, 365960), (112, 281005), (140, 224804), (172, 182980), (215, 146384), (280, 112402), (301, 104560), (344, 91490), (430, 73192), (560, 56201), (602, 52280), (688, 45745), (860, 36596), (1204, 26140), (1307, 24080), (1505, 20912), (1720, 18298), (2408, 13070), (2614, 12040), (3010, 10456), (3440, 9149), (4816, 6535), (5228, 6020)]