138462660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109891}}^1$

素因数の和:109913

約数の個数: 72

約数和(自身を含む): 480008256

約数和(自身を除く): 341545596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 109891, 219782, 329673, 439564, 549455, 659346, 769237, 989019, 1098910, 1318692, 1538474, 1648365, 1978038, 2197820, 2307711, 3076948, 3296730, 3846185, 3956076, 4615422, 4945095, 6593460, 6923133, 7692370, 9230844, 9890190, 11538555, 13846266, 15384740, 19780380, 23077110, 27692532, 34615665, 46154220, 69231330, 138462660]

約数ペア:

[(1, 138462660), (2, 69231330), (3, 46154220), (4, 34615665), (5, 27692532), (6, 23077110), (7, 19780380), (9, 15384740), (10, 13846266), (12, 11538555), (14, 9890190), (15, 9230844), (18, 7692370), (20, 6923133), (21, 6593460), (28, 4945095), (30, 4615422), (35, 3956076), (36, 3846185), (42, 3296730), (45, 3076948), (60, 2307711), (63, 2197820), (70, 1978038), (84, 1648365), (90, 1538474), (105, 1318692), (126, 1098910), (140, 989019), (180, 769237), (210, 659346), (252, 549455), (315, 439564), (420, 329673), (630, 219782), (1260, 109891)]