49806780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 139784064

約数和(自身を除く): 89977284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1291, 1929, 2572, 2582, 3215, 3858, 3873, 5164, 6430, 6455, 7716, 7746, 9645, 12860, 12910, 15492, 19290, 19365, 25820, 38580, 38730, 77460, 830113, 1660226, 2490339, 3320452, 4150565, 4980678, 8301130, 9961356, 12451695, 16602260, 24903390, 49806780]

約数ペア:

[(1, 49806780), (2, 24903390), (3, 16602260), (4, 12451695), (5, 9961356), (6, 8301130), (10, 4980678), (12, 4150565), (15, 3320452), (20, 2490339), (30, 1660226), (60, 830113), (643, 77460), (1286, 38730), (1291, 38580), (1929, 25820), (2572, 19365), (2582, 19290), (3215, 15492), (3858, 12910), (3873, 12860), (5164, 9645), (6430, 7746), (6455, 7716)]