261272520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{241919}}^1$

素因数の和:241939

約数の個数: 64

約数和(自身を含む): 870912000

約数和(自身を除く): 609639480

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, 241919, 483838, 725757, 967676, 1209595, 1451514, 1935352, 2177271, 2419190, 2903028, 3628785, 4354542, 4838380, 5806056, 6531813, 7257570, 8709084, 9676760, 10886355, 13063626, 14515140, 17418168, 21772710, 26127252, 29030280, 32659065, 43545420, 52254504, 65318130, 87090840, 130636260, 261272520]

約数ペア:

[(1, 261272520), (2, 130636260), (3, 87090840), (4, 65318130), (5, 52254504), (6, 43545420), (8, 32659065), (9, 29030280), (10, 26127252), (12, 21772710), (15, 17418168), (18, 14515140), (20, 13063626), (24, 10886355), (27, 9676760), (30, 8709084), (36, 7257570), (40, 6531813), (45, 5806056), (54, 4838380), (60, 4354542), (72, 3628785), (90, 2903028), (108, 2419190), (120, 2177271), (135, 1935352), (180, 1451514), (216, 1209595), (270, 967676), (360, 725757), (540, 483838), (1080, 241919)]