309780660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{737573}}^1$

素因数の和:737592

約数の個数: 48

約数和(自身を含む): 991299456

約数和(自身を除く): 681518796

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, 737573, 1475146, 2212719, 2950292, 3687865, 4425438, 5163011, 7375730, 8850876, 10326022, 11063595, 14751460, 15489033, 20652044, 22127190, 25815055, 30978066, 44254380, 51630110, 61956132, 77445165, 103260220, 154890330, 309780660]

約数ペア:

[(1, 309780660), (2, 154890330), (3, 103260220), (4, 77445165), (5, 61956132), (6, 51630110), (7, 44254380), (10, 30978066), (12, 25815055), (14, 22127190), (15, 20652044), (20, 15489033), (21, 14751460), (28, 11063595), (30, 10326022), (35, 8850876), (42, 7375730), (60, 5163011), (70, 4425438), (84, 3687865), (105, 2950292), (140, 2212719), (210, 1475146), (420, 737573)]