90985280

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1207

約数の個数: 56

約数和(自身を含む): 217566240

約数和(自身を除く): 126580960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 859, 1324, 1655, 1718, 2648, 3310, 3436, 4295, 5296, 6620, 6872, 8590, 10592, 13240, 13744, 17180, 21184, 26480, 27488, 34360, 52960, 54976, 68720, 105920, 137440, 274880, 284329, 568658, 1137316, 1421645, 2274632, 2843290, 4549264, 5686580, 9098528, 11373160, 18197056, 22746320, 45492640, 90985280]

約数ペア:

[(1, 90985280), (2, 45492640), (4, 22746320), (5, 18197056), (8, 11373160), (10, 9098528), (16, 5686580), (20, 4549264), (32, 2843290), (40, 2274632), (64, 1421645), (80, 1137316), (160, 568658), (320, 284329), (331, 274880), (662, 137440), (859, 105920), (1324, 68720), (1655, 54976), (1718, 52960), (2648, 34360), (3310, 27488), (3436, 26480), (4295, 21184), (5296, 17180), (6620, 13744), (6872, 13240), (8590, 10592)]