81942360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2063}}^1$

素因数の和:2408

約数の個数: 64

約数和(自身を含む): 246689280

約数和(自身を除く): 164746920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 993, 1324, 1655, 1986, 2063, 2648, 3310, 3972, 4126, 4965, 6189, 6620, 7944, 8252, 9930, 10315, 12378, 13240, 16504, 19860, 20630, 24756, 30945, 39720, 41260, 49512, 61890, 82520, 123780, 247560, 682853, 1365706, 2048559, 2731412, 3414265, 4097118, 5462824, 6828530, 8194236, 10242795, 13657060, 16388472, 20485590, 27314120, 40971180, 81942360]

約数ペア:

[(1, 81942360), (2, 40971180), (3, 27314120), (4, 20485590), (5, 16388472), (6, 13657060), (8, 10242795), (10, 8194236), (12, 6828530), (15, 5462824), (20, 4097118), (24, 3414265), (30, 2731412), (40, 2048559), (60, 1365706), (120, 682853), (331, 247560), (662, 123780), (993, 82520), (1324, 61890), (1655, 49512), (1986, 41260), (2063, 39720), (2648, 30945), (3310, 24756), (3972, 20630), (4126, 19860), (4965, 16504), (6189, 13240), (6620, 12378), (7944, 10315), (8252, 9930)]