64906890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{1663}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 155990016

約数和(自身を除く): 91083126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1301, 1663, 2602, 3326, 3903, 4989, 6505, 7806, 8315, 9978, 13010, 16630, 19515, 24945, 39030, 49890, 2163563, 4327126, 6490689, 10817815, 12981378, 21635630, 32453445, 64906890]

約数ペア:

[(1, 64906890), (2, 32453445), (3, 21635630), (5, 12981378), (6, 10817815), (10, 6490689), (15, 4327126), (30, 2163563), (1301, 49890), (1663, 39030), (2602, 24945), (3326, 19515), (3903, 16630), (4989, 13010), (6505, 9978), (7806, 8315)]