30885680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7879}}^1$

素因数の和:7906

約数の個数: 60

約数和(自身を含む): 83543760

約数和(自身を除く): 52658080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7879, 15758, 31516, 39395, 55153, 63032, 78790, 110306, 126064, 157580, 220612, 275765, 315160, 386071, 441224, 551530, 630320, 772142, 882448, 1103060, 1544284, 1930355, 2206120, 3088568, 3860710, 4412240, 6177136, 7721420, 15442840, 30885680]

約数ペア:

[(1, 30885680), (2, 15442840), (4, 7721420), (5, 6177136), (7, 4412240), (8, 3860710), (10, 3088568), (14, 2206120), (16, 1930355), (20, 1544284), (28, 1103060), (35, 882448), (40, 772142), (49, 630320), (56, 551530), (70, 441224), (80, 386071), (98, 315160), (112, 275765), (140, 220612), (196, 157580), (245, 126064), (280, 110306), (392, 78790), (490, 63032), (560, 55153), (784, 39395), (980, 31516), (1960, 15758), (3920, 7879)]