64935180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5081}}^1$

素因数の和:5167

約数の個数: 72

約数和(自身を含む): 199783584

約数和(自身を除く): 134848404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5081, 6390, 10162, 12780, 15243, 20324, 25405, 30486, 45729, 50810, 60972, 76215, 91458, 101620, 152430, 182916, 228645, 304860, 360751, 457290, 721502, 914580, 1082253, 1443004, 1803755, 2164506, 3246759, 3607510, 4329012, 5411265, 6493518, 7215020, 10822530, 12987036, 16233795, 21645060, 32467590, 64935180]

約数ペア:

[(1, 64935180), (2, 32467590), (3, 21645060), (4, 16233795), (5, 12987036), (6, 10822530), (9, 7215020), (10, 6493518), (12, 5411265), (15, 4329012), (18, 3607510), (20, 3246759), (30, 2164506), (36, 1803755), (45, 1443004), (60, 1082253), (71, 914580), (90, 721502), (142, 457290), (180, 360751), (213, 304860), (284, 228645), (355, 182916), (426, 152430), (639, 101620), (710, 91458), (852, 76215), (1065, 60972), (1278, 50810), (1420, 45729), (2130, 30486), (2556, 25405), (3195, 20324), (4260, 15243), (5081, 12780), (6390, 10162)]