261842760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{242447}}^1$

素因数の和:242467

約数の個数: 64

約数和(自身を含む): 872812800

約数和(自身を除く): 610970040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 242447, 484894, 727341, 969788, 1212235, 1454682, 1939576, 2182023, 2424470, 2909364, 3636705, 4364046, 4848940, 5818728, 6546069, 7273410, 8728092, 9697880, 10910115, 13092138, 14546820, 17456184, 21820230, 26184276, 29093640, 32730345, 43640460, 52368552, 65460690, 87280920, 130921380, 261842760]

約数ペア:

[(1, 261842760), (2, 130921380), (3, 87280920), (4, 65460690), (5, 52368552), (6, 43640460), (8, 32730345), (9, 29093640), (10, 26184276), (12, 21820230), (15, 17456184), (18, 14546820), (20, 13092138), (24, 10910115), (27, 9697880), (30, 8728092), (36, 7273410), (40, 6546069), (45, 5818728), (54, 4848940), (60, 4364046), (72, 3636705), (90, 2909364), (108, 2424470), (120, 2182023), (135, 1939576), (180, 1454682), (216, 1212235), (270, 969788), (360, 727341), (540, 484894), (1080, 242447)]