131011380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1447}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 398466432

約数和(自身を除く): 267455052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 1006, 1447, 1509, 2012, 2515, 2894, 3018, 4341, 4527, 5030, 5788, 6036, 7235, 7545, 8682, 9054, 10060, 13023, 14470, 15090, 17364, 18108, 21705, 22635, 26046, 28940, 30180, 43410, 45270, 52092, 65115, 86820, 90540, 130230, 260460, 727841, 1455682, 2183523, 2911364, 3639205, 4367046, 6550569, 7278410, 8734092, 10917615, 13101138, 14556820, 21835230, 26202276, 32752845, 43670460, 65505690, 131011380]

約数ペア:

[(1, 131011380), (2, 65505690), (3, 43670460), (4, 32752845), (5, 26202276), (6, 21835230), (9, 14556820), (10, 13101138), (12, 10917615), (15, 8734092), (18, 7278410), (20, 6550569), (30, 4367046), (36, 3639205), (45, 2911364), (60, 2183523), (90, 1455682), (180, 727841), (503, 260460), (1006, 130230), (1447, 90540), (1509, 86820), (2012, 65115), (2515, 52092), (2894, 45270), (3018, 43410), (4341, 30180), (4527, 28940), (5030, 26046), (5788, 22635), (6036, 21705), (7235, 18108), (7545, 17364), (8682, 15090), (9054, 14470), (10060, 13023)]