161417640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4787}}^1$

素因数の和:5082

約数の個数: 64

約数和(自身を含む): 486077760

約数和(自身を除く): 324660120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 281, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4787, 5620, 6744, 8430, 9574, 11240, 14361, 16860, 19148, 23935, 28722, 33720, 38296, 47870, 57444, 71805, 95740, 114888, 143610, 191480, 287220, 574440, 1345147, 2690294, 4035441, 5380588, 6725735, 8070882, 10761176, 13451470, 16141764, 20177205, 26902940, 32283528, 40354410, 53805880, 80708820, 161417640]

約数ペア:

[(1, 161417640), (2, 80708820), (3, 53805880), (4, 40354410), (5, 32283528), (6, 26902940), (8, 20177205), (10, 16141764), (12, 13451470), (15, 10761176), (20, 8070882), (24, 6725735), (30, 5380588), (40, 4035441), (60, 2690294), (120, 1345147), (281, 574440), (562, 287220), (843, 191480), (1124, 143610), (1405, 114888), (1686, 95740), (2248, 71805), (2810, 57444), (3372, 47870), (4215, 38296), (4787, 33720), (5620, 28722), (6744, 23935), (8430, 19148), (9574, 16860), (11240, 14361)]