749807680

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{7079}}^1$

素因数の和:7427

約数の個数: 56

約数和(自身を含む): 1791126720

約数和(自身を除く): 1041319040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 7079, 10592, 13240, 14158, 21184, 26480, 28316, 35395, 52960, 56632, 70790, 105920, 113264, 141580, 226528, 283160, 453056, 566320, 1132640, 2265280, 2343149, 4686298, 9372596, 11715745, 18745192, 23431490, 37490384, 46862980, 74980768, 93725960, 149961536, 187451920, 374903840, 749807680]

約数ペア:

[(1, 749807680), (2, 374903840), (4, 187451920), (5, 149961536), (8, 93725960), (10, 74980768), (16, 46862980), (20, 37490384), (32, 23431490), (40, 18745192), (64, 11715745), (80, 9372596), (160, 4686298), (320, 2343149), (331, 2265280), (662, 1132640), (1324, 566320), (1655, 453056), (2648, 283160), (3310, 226528), (5296, 141580), (6620, 113264), (7079, 105920), (10592, 70790), (13240, 56632), (14158, 52960), (21184, 35395), (26480, 28316)]