280840770

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{49531}}^1$

素因数の和:49557

約数の個数: 80

約数和(自身を含む): 863045568

約数和(自身を除く): 582204798

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, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 49531, 99062, 148593, 247655, 297186, 346717, 445779, 495310, 693434, 742965, 891558, 1040151, 1337337, 1485930, 1733585, 2080302, 2228895, 2674674, 3120453, 3467170, 4012011, 4457790, 5200755, 6240906, 6686685, 8024022, 9361359, 10401510, 13373370, 15602265, 18722718, 20060055, 28084077, 31204530, 40120110, 46806795, 56168154, 93613590, 140420385, 280840770]

約数ペア:

[(1, 280840770), (2, 140420385), (3, 93613590), (5, 56168154), (6, 46806795), (7, 40120110), (9, 31204530), (10, 28084077), (14, 20060055), (15, 18722718), (18, 15602265), (21, 13373370), (27, 10401510), (30, 9361359), (35, 8024022), (42, 6686685), (45, 6240906), (54, 5200755), (63, 4457790), (70, 4012011), (81, 3467170), (90, 3120453), (105, 2674674), (126, 2228895), (135, 2080302), (162, 1733585), (189, 1485930), (210, 1337337), (270, 1040151), (315, 891558), (378, 742965), (405, 693434), (567, 495310), (630, 445779), (810, 346717), (945, 297186), (1134, 247655), (1890, 148593), (2835, 99062), (5670, 49531)]