31611440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3010

約数の個数: 80

約数和(自身を含む): 88446720

約数和(自身を除く): 56835280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 2971, 5320, 5942, 10640, 11884, 14855, 20797, 23768, 29710, 41594, 47536, 56449, 59420, 83188, 103985, 112898, 118840, 166376, 207970, 225796, 237680, 282245, 332752, 395143, 415940, 451592, 564490, 790286, 831880, 903184, 1128980, 1580572, 1663760, 1975715, 2257960, 3161144, 3951430, 4515920, 6322288, 7902860, 15805720, 31611440]

約数ペア:

[(1, 31611440), (2, 15805720), (4, 7902860), (5, 6322288), (7, 4515920), (8, 3951430), (10, 3161144), (14, 2257960), (16, 1975715), (19, 1663760), (20, 1580572), (28, 1128980), (35, 903184), (38, 831880), (40, 790286), (56, 564490), (70, 451592), (76, 415940), (80, 395143), (95, 332752), (112, 282245), (133, 237680), (140, 225796), (152, 207970), (190, 166376), (266, 118840), (280, 112898), (304, 103985), (380, 83188), (532, 59420), (560, 56449), (665, 47536), (760, 41594), (1064, 29710), (1330, 23768), (1520, 20797), (2128, 14855), (2660, 11884), (2971, 10640), (5320, 5942)]