7968660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:18992

約数の個数: 48

約数和(自身を含む): 25501056

約数和(自身を除く): 17532396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 18973, 37946, 56919, 75892, 94865, 113838, 132811, 189730, 227676, 265622, 284595, 379460, 398433, 531244, 569190, 664055, 796866, 1138380, 1328110, 1593732, 1992165, 2656220, 3984330, 7968660]

約数ペア:

[(1, 7968660), (2, 3984330), (3, 2656220), (4, 1992165), (5, 1593732), (6, 1328110), (7, 1138380), (10, 796866), (12, 664055), (14, 569190), (15, 531244), (20, 398433), (21, 379460), (28, 284595), (30, 265622), (35, 227676), (42, 189730), (60, 132811), (70, 113838), (84, 94865), (105, 75892), (140, 56919), (210, 37946), (420, 18973)]