142857720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4091}}^1$

素因数の和:4205

約数の個数: 96

約数和(自身を含む): 469188720

約数和(自身を除く): 326331000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4091, 4365, 5820, 6984, 8182, 8730, 11640, 12273, 16364, 17460, 20455, 24546, 32728, 34920, 36819, 40910, 49092, 61365, 73638, 81820, 98184, 122730, 147276, 163640, 184095, 245460, 294552, 368190, 396827, 490920, 736380, 793654, 1190481, 1472760, 1587308, 1984135, 2380962, 3174616, 3571443, 3968270, 4761924, 5952405, 7142886, 7936540, 9523848, 11904810, 14285772, 15873080, 17857215, 23809620, 28571544, 35714430, 47619240, 71428860, 142857720]

約数ペア:

[(1, 142857720), (2, 71428860), (3, 47619240), (4, 35714430), (5, 28571544), (6, 23809620), (8, 17857215), (9, 15873080), (10, 14285772), (12, 11904810), (15, 9523848), (18, 7936540), (20, 7142886), (24, 5952405), (30, 4761924), (36, 3968270), (40, 3571443), (45, 3174616), (60, 2380962), (72, 1984135), (90, 1587308), (97, 1472760), (120, 1190481), (180, 793654), (194, 736380), (291, 490920), (360, 396827), (388, 368190), (485, 294552), (582, 245460), (776, 184095), (873, 163640), (970, 147276), (1164, 122730), (1455, 98184), (1746, 81820), (1940, 73638), (2328, 61365), (2910, 49092), (3492, 40910), (3880, 36819), (4091, 34920), (4365, 32728), (5820, 24546), (6984, 20455), (8182, 17460), (8730, 16364), (11640, 12273)]