15745240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 41290560

約数和(自身を除く): 25545320

約数列:

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

約数ペア:

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