55811970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 149489280

約数和(自身を除く): 93677310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 421, 491, 842, 982, 1263, 1473, 2105, 2455, 2526, 2946, 3789, 4210, 4419, 4910, 6315, 7365, 7578, 8838, 11367, 12630, 13257, 14730, 18945, 22095, 22734, 26514, 37890, 44190, 56835, 66285, 113670, 132570, 206711, 413422, 620133, 1033555, 1240266, 1860399, 2067110, 3100665, 3720798, 5581197, 6201330, 9301995, 11162394, 18603990, 27905985, 55811970]

約数ペア:

[(1, 55811970), (2, 27905985), (3, 18603990), (5, 11162394), (6, 9301995), (9, 6201330), (10, 5581197), (15, 3720798), (18, 3100665), (27, 2067110), (30, 1860399), (45, 1240266), (54, 1033555), (90, 620133), (135, 413422), (270, 206711), (421, 132570), (491, 113670), (842, 66285), (982, 56835), (1263, 44190), (1473, 37890), (2105, 26514), (2455, 22734), (2526, 22095), (2946, 18945), (3789, 14730), (4210, 13257), (4419, 12630), (4910, 11367), (6315, 8838), (7365, 7578)]