27489420

素因数分解:

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

素因数の和:21839

約数の個数: 72

約数和(自身を含む): 95301024

約数和(自身を除く): 67811604

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, 21817, 43634, 65451, 87268, 109085, 130902, 152719, 196353, 218170, 261804, 305438, 327255, 392706, 436340, 458157, 610876, 654510, 763595, 785412, 916314, 981765, 1309020, 1374471, 1527190, 1832628, 1963530, 2290785, 2748942, 3054380, 3927060, 4581570, 5497884, 6872355, 9163140, 13744710, 27489420]

約数ペア:

[(1, 27489420), (2, 13744710), (3, 9163140), (4, 6872355), (5, 5497884), (6, 4581570), (7, 3927060), (9, 3054380), (10, 2748942), (12, 2290785), (14, 1963530), (15, 1832628), (18, 1527190), (20, 1374471), (21, 1309020), (28, 981765), (30, 916314), (35, 785412), (36, 763595), (42, 654510), (45, 610876), (60, 458157), (63, 436340), (70, 392706), (84, 327255), (90, 305438), (105, 261804), (126, 218170), (140, 196353), (180, 152719), (210, 130902), (252, 109085), (315, 87268), (420, 65451), (630, 43634), (1260, 21817)]