61771360

素因数分解:

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

素因数の和:7908

約数の個数: 72

約数和(自身を含む): 169782480

約数和(自身を除く): 108011120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 7879, 15758, 31516, 39395, 55153, 63032, 78790, 110306, 126064, 157580, 220612, 252128, 275765, 315160, 386071, 441224, 551530, 630320, 772142, 882448, 1103060, 1260640, 1544284, 1764896, 1930355, 2206120, 3088568, 3860710, 4412240, 6177136, 7721420, 8824480, 12354272, 15442840, 30885680, 61771360]

約数ペア:

[(1, 61771360), (2, 30885680), (4, 15442840), (5, 12354272), (7, 8824480), (8, 7721420), (10, 6177136), (14, 4412240), (16, 3860710), (20, 3088568), (28, 2206120), (32, 1930355), (35, 1764896), (40, 1544284), (49, 1260640), (56, 1103060), (70, 882448), (80, 772142), (98, 630320), (112, 551530), (140, 441224), (160, 386071), (196, 315160), (224, 275765), (245, 252128), (280, 220612), (392, 157580), (490, 126064), (560, 110306), (784, 78790), (980, 63032), (1120, 55153), (1568, 39395), (1960, 31516), (3920, 15758), (7840, 7879)]