31490480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 85333824

約数和(自身を除く): 53843344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1061, 1484, 1855, 2120, 2122, 2968, 3710, 4240, 4244, 5305, 5936, 7420, 7427, 8488, 10610, 14840, 14854, 16976, 21220, 29680, 29708, 37135, 42440, 56233, 59416, 74270, 84880, 112466, 118832, 148540, 224932, 281165, 297080, 393631, 449864, 562330, 594160, 787262, 899728, 1124660, 1574524, 1968155, 2249320, 3149048, 3936310, 4498640, 6298096, 7872620, 15745240, 31490480]

約数ペア:

[(1, 31490480), (2, 15745240), (4, 7872620), (5, 6298096), (7, 4498640), (8, 3936310), (10, 3149048), (14, 2249320), (16, 1968155), (20, 1574524), (28, 1124660), (35, 899728), (40, 787262), (53, 594160), (56, 562330), (70, 449864), (80, 393631), (106, 297080), (112, 281165), (140, 224932), (212, 148540), (265, 118832), (280, 112466), (371, 84880), (424, 74270), (530, 59416), (560, 56233), (742, 42440), (848, 37135), (1060, 29708), (1061, 29680), (1484, 21220), (1855, 16976), (2120, 14854), (2122, 14840), (2968, 10610), (3710, 8488), (4240, 7427), (4244, 7420), (5305, 5936)]