261514080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{181607}}^1$

素因数の和:181628

約数の個数: 72

約数和(自身を含む): 892421712

約数和(自身を除く): 630907632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 181607, 363214, 544821, 726428, 908035, 1089642, 1452856, 1634463, 1816070, 2179284, 2724105, 2905712, 3268926, 3632140, 4358568, 5448210, 5811424, 6537852, 7264280, 8172315, 8717136, 10896420, 13075704, 14528560, 16344630, 17434272, 21792840, 26151408, 29057120, 32689260, 43585680, 52302816, 65378520, 87171360, 130757040, 261514080]

約数ペア:

[(1, 261514080), (2, 130757040), (3, 87171360), (4, 65378520), (5, 52302816), (6, 43585680), (8, 32689260), (9, 29057120), (10, 26151408), (12, 21792840), (15, 17434272), (16, 16344630), (18, 14528560), (20, 13075704), (24, 10896420), (30, 8717136), (32, 8172315), (36, 7264280), (40, 6537852), (45, 5811424), (48, 5448210), (60, 4358568), (72, 3632140), (80, 3268926), (90, 2905712), (96, 2724105), (120, 2179284), (144, 1816070), (160, 1634463), (180, 1452856), (240, 1089642), (288, 908035), (360, 726428), (480, 544821), (720, 363214), (1440, 181607)]