30001720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15307}}^1$

素因数の和:15332

約数の個数: 48

約数和(自身を含む): 78530040

約数和(自身を除く): 48528320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15307, 30614, 61228, 76535, 107149, 122456, 153070, 214298, 306140, 428596, 535745, 612280, 750043, 857192, 1071490, 1500086, 2142980, 3000172, 3750215, 4285960, 6000344, 7500430, 15000860, 30001720]

約数ペア:

[(1, 30001720), (2, 15000860), (4, 7500430), (5, 6000344), (7, 4285960), (8, 3750215), (10, 3000172), (14, 2142980), (20, 1500086), (28, 1071490), (35, 857192), (40, 750043), (49, 612280), (56, 535745), (70, 428596), (98, 306140), (140, 214298), (196, 153070), (245, 122456), (280, 107149), (392, 76535), (490, 61228), (980, 30614), (1960, 15307)]