775959540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{20113}}^1$

素因数の和:20768

約数の個数: 48

約数和(自身を含む): 2176173888

約数和(自身を除く): 1400214348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 19290, 20113, 38580, 40226, 60339, 80452, 100565, 120678, 201130, 241356, 301695, 402260, 603390, 1206780, 12932659, 25865318, 38797977, 51730636, 64663295, 77595954, 129326590, 155191908, 193989885, 258653180, 387979770, 775959540]

約数ペア:

[(1, 775959540), (2, 387979770), (3, 258653180), (4, 193989885), (5, 155191908), (6, 129326590), (10, 77595954), (12, 64663295), (15, 51730636), (20, 38797977), (30, 25865318), (60, 12932659), (643, 1206780), (1286, 603390), (1929, 402260), (2572, 301695), (3215, 241356), (3858, 201130), (6430, 120678), (7716, 100565), (9645, 80452), (12860, 60339), (19290, 40226), (20113, 38580)]