65161620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 198315936

約数和(自身を除く): 133154316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 563, 643, 1126, 1286, 1689, 1929, 2252, 2572, 2815, 3215, 3378, 3858, 5067, 5630, 5787, 6430, 6756, 7716, 8445, 9645, 10134, 11260, 11574, 12860, 16890, 19290, 20268, 23148, 25335, 28935, 33780, 38580, 50670, 57870, 101340, 115740, 362009, 724018, 1086027, 1448036, 1810045, 2172054, 3258081, 3620090, 4344108, 5430135, 6516162, 7240180, 10860270, 13032324, 16290405, 21720540, 32580810, 65161620]

約数ペア:

[(1, 65161620), (2, 32580810), (3, 21720540), (4, 16290405), (5, 13032324), (6, 10860270), (9, 7240180), (10, 6516162), (12, 5430135), (15, 4344108), (18, 3620090), (20, 3258081), (30, 2172054), (36, 1810045), (45, 1448036), (60, 1086027), (90, 724018), (180, 362009), (563, 115740), (643, 101340), (1126, 57870), (1286, 50670), (1689, 38580), (1929, 33780), (2252, 28935), (2572, 25335), (2815, 23148), (3215, 20268), (3378, 19290), (3858, 16890), (5067, 12860), (5630, 11574), (5787, 11260), (6430, 10134), (6756, 9645), (7716, 8445)]