31395420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24917}}^1$

素因数の和:24939

約数の個数: 72

約数和(自身を含む): 108841824

約数和(自身を除く): 77446404

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, 24917, 49834, 74751, 99668, 124585, 149502, 174419, 224253, 249170, 299004, 348838, 373755, 448506, 498340, 523257, 697676, 747510, 872095, 897012, 1046514, 1121265, 1495020, 1569771, 1744190, 2093028, 2242530, 2616285, 3139542, 3488380, 4485060, 5232570, 6279084, 7848855, 10465140, 15697710, 31395420]

約数ペア:

[(1, 31395420), (2, 15697710), (3, 10465140), (4, 7848855), (5, 6279084), (6, 5232570), (7, 4485060), (9, 3488380), (10, 3139542), (12, 2616285), (14, 2242530), (15, 2093028), (18, 1744190), (20, 1569771), (21, 1495020), (28, 1121265), (30, 1046514), (35, 897012), (36, 872095), (42, 747510), (45, 697676), (60, 523257), (63, 498340), (70, 448506), (84, 373755), (90, 348838), (105, 299004), (126, 249170), (140, 224253), (180, 174419), (210, 149502), (252, 124585), (315, 99668), (420, 74751), (630, 49834), (1260, 24917)]