2578260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 7310016

約数和(自身を除く): 4731756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 443, 485, 582, 886, 970, 1164, 1329, 1455, 1772, 1940, 2215, 2658, 2910, 4430, 5316, 5820, 6645, 8860, 13290, 26580, 42971, 85942, 128913, 171884, 214855, 257826, 429710, 515652, 644565, 859420, 1289130, 2578260]

約数ペア:

[(1, 2578260), (2, 1289130), (3, 859420), (4, 644565), (5, 515652), (6, 429710), (10, 257826), (12, 214855), (15, 171884), (20, 128913), (30, 85942), (60, 42971), (97, 26580), (194, 13290), (291, 8860), (388, 6645), (443, 5820), (485, 5316), (582, 4430), (886, 2910), (970, 2658), (1164, 2215), (1329, 1940), (1455, 1772)]