68868660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163973}}^1$

素因数の和:163992

約数の個数: 48

約数和(自身を含む): 220381056

約数和(自身を除く): 151512396

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, 163973, 327946, 491919, 655892, 819865, 983838, 1147811, 1639730, 1967676, 2295622, 2459595, 3279460, 3443433, 4591244, 4919190, 5739055, 6886866, 9838380, 11478110, 13773732, 17217165, 22956220, 34434330, 68868660]

約数ペア:

[(1, 68868660), (2, 34434330), (3, 22956220), (4, 17217165), (5, 13773732), (6, 11478110), (7, 9838380), (10, 6886866), (12, 5739055), (14, 4919190), (15, 4591244), (20, 3443433), (21, 3279460), (28, 2459595), (30, 2295622), (35, 1967676), (42, 1639730), (60, 1147811), (70, 983838), (84, 819865), (105, 655892), (140, 491919), (210, 327946), (420, 163973)]