30689680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7829}}^1$

素因数の和:7856

約数の個数: 60

約数和(自身を含む): 83013660

約数和(自身を除く): 52323980

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, 7829, 15658, 31316, 39145, 54803, 62632, 78290, 109606, 125264, 156580, 219212, 274015, 313160, 383621, 438424, 548030, 626320, 767242, 876848, 1096060, 1534484, 1918105, 2192120, 3068968, 3836210, 4384240, 6137936, 7672420, 15344840, 30689680]

約数ペア:

[(1, 30689680), (2, 15344840), (4, 7672420), (5, 6137936), (7, 4384240), (8, 3836210), (10, 3068968), (14, 2192120), (16, 1918105), (20, 1534484), (28, 1096060), (35, 876848), (40, 767242), (49, 626320), (56, 548030), (70, 438424), (80, 383621), (98, 313160), (112, 274015), (140, 219212), (196, 156580), (245, 125264), (280, 109606), (392, 78290), (490, 62632), (560, 54803), (784, 39145), (980, 31316), (1960, 15658), (3920, 7829)]