30298380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72139}}^1$

素因数の和:72158

約数の個数: 48

約数和(自身を含む): 96956160

約数和(自身を除く): 66657780

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, 72139, 144278, 216417, 288556, 360695, 432834, 504973, 721390, 865668, 1009946, 1082085, 1442780, 1514919, 2019892, 2164170, 2524865, 3029838, 4328340, 5049730, 6059676, 7574595, 10099460, 15149190, 30298380]

約数ペア:

[(1, 30298380), (2, 15149190), (3, 10099460), (4, 7574595), (5, 6059676), (6, 5049730), (7, 4328340), (10, 3029838), (12, 2524865), (14, 2164170), (15, 2019892), (20, 1514919), (21, 1442780), (28, 1082085), (30, 1009946), (35, 865668), (42, 721390), (60, 504973), (70, 432834), (84, 360695), (105, 288556), (140, 216417), (210, 144278), (420, 72139)]