67868220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161591}}^1$

素因数の和:161610

約数の個数: 48

約数和(自身を含む): 217179648

約数和(自身を除く): 149311428

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, 161591, 323182, 484773, 646364, 807955, 969546, 1131137, 1615910, 1939092, 2262274, 2423865, 3231820, 3393411, 4524548, 4847730, 5655685, 6786822, 9695460, 11311370, 13573644, 16967055, 22622740, 33934110, 67868220]

約数ペア:

[(1, 67868220), (2, 33934110), (3, 22622740), (4, 16967055), (5, 13573644), (6, 11311370), (7, 9695460), (10, 6786822), (12, 5655685), (14, 4847730), (15, 4524548), (20, 3393411), (21, 3231820), (28, 2423865), (30, 2262274), (35, 1939092), (42, 1615910), (60, 1131137), (70, 969546), (84, 807955), (105, 646364), (140, 484773), (210, 323182), (420, 161591)]