493026660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{391291}}^1$

素因数の和:391313

約数の個数: 72

約数和(自身を含む): 1709163456

約数和(自身を除く): 1216136796

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, 391291, 782582, 1173873, 1565164, 1956455, 2347746, 2739037, 3521619, 3912910, 4695492, 5478074, 5869365, 7043238, 7825820, 8217111, 10956148, 11738730, 13695185, 14086476, 16434222, 17608095, 23477460, 24651333, 27390370, 32868444, 35216190, 41085555, 49302666, 54780740, 70432380, 82171110, 98605332, 123256665, 164342220, 246513330, 493026660]

約数ペア:

[(1, 493026660), (2, 246513330), (3, 164342220), (4, 123256665), (5, 98605332), (6, 82171110), (7, 70432380), (9, 54780740), (10, 49302666), (12, 41085555), (14, 35216190), (15, 32868444), (18, 27390370), (20, 24651333), (21, 23477460), (28, 17608095), (30, 16434222), (35, 14086476), (36, 13695185), (42, 11738730), (45, 10956148), (60, 8217111), (63, 7825820), (70, 7043238), (84, 5869365), (90, 5478074), (105, 4695492), (126, 3912910), (140, 3521619), (180, 2739037), (210, 2347746), (252, 1956455), (315, 1565164), (420, 1173873), (630, 782582), (1260, 391291)]