2783970

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{491}}^1$

素因数の和:517

約数の個数: 80

約数和(自身を含む): 8572608

約数和(自身を除く): 5788638

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 491, 567, 630, 810, 945, 982, 1134, 1473, 1890, 2455, 2835, 2946, 3437, 4419, 4910, 5670, 6874, 7365, 8838, 10311, 13257, 14730, 17185, 20622, 22095, 26514, 30933, 34370, 39771, 44190, 51555, 61866, 66285, 79542, 92799, 103110, 132570, 154665, 185598, 198855, 278397, 309330, 397710, 463995, 556794, 927990, 1391985, 2783970]

約数ペア:

[(1, 2783970), (2, 1391985), (3, 927990), (5, 556794), (6, 463995), (7, 397710), (9, 309330), (10, 278397), (14, 198855), (15, 185598), (18, 154665), (21, 132570), (27, 103110), (30, 92799), (35, 79542), (42, 66285), (45, 61866), (54, 51555), (63, 44190), (70, 39771), (81, 34370), (90, 30933), (105, 26514), (126, 22095), (135, 20622), (162, 17185), (189, 14730), (210, 13257), (270, 10311), (315, 8838), (378, 7365), (405, 6874), (491, 5670), (567, 4910), (630, 4419), (810, 3437), (945, 2946), (982, 2835), (1134, 2455), (1473, 1890)]