54978840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{21817}}^1$

素因数の和:21841

約数の個数: 96

約数和(自身を含む): 204216480

約数和(自身を除く): 149237640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 21817, 43634, 65451, 87268, 109085, 130902, 152719, 174536, 196353, 218170, 261804, 305438, 327255, 392706, 436340, 458157, 523608, 610876, 654510, 763595, 785412, 872680, 916314, 981765, 1221752, 1309020, 1374471, 1527190, 1570824, 1832628, 1963530, 2290785, 2618040, 2748942, 3054380, 3665256, 3927060, 4581570, 5497884, 6108760, 6872355, 7854120, 9163140, 10995768, 13744710, 18326280, 27489420, 54978840]

約数ペア:

[(1, 54978840), (2, 27489420), (3, 18326280), (4, 13744710), (5, 10995768), (6, 9163140), (7, 7854120), (8, 6872355), (9, 6108760), (10, 5497884), (12, 4581570), (14, 3927060), (15, 3665256), (18, 3054380), (20, 2748942), (21, 2618040), (24, 2290785), (28, 1963530), (30, 1832628), (35, 1570824), (36, 1527190), (40, 1374471), (42, 1309020), (45, 1221752), (56, 981765), (60, 916314), (63, 872680), (70, 785412), (72, 763595), (84, 654510), (90, 610876), (105, 523608), (120, 458157), (126, 436340), (140, 392706), (168, 327255), (180, 305438), (210, 261804), (252, 218170), (280, 196353), (315, 174536), (360, 152719), (420, 130902), (504, 109085), (630, 87268), (840, 65451), (1260, 43634), (2520, 21817)]