30411080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 78675840

約数和(自身を除く): 48264760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 347, 626, 694, 1252, 1388, 1565, 1735, 2191, 2429, 2504, 2776, 3130, 3470, 4382, 4858, 6260, 6940, 8764, 9716, 10955, 12145, 12520, 13880, 17528, 19432, 21910, 24290, 43820, 48580, 87640, 97160, 108611, 217222, 434444, 543055, 760277, 868888, 1086110, 1520554, 2172220, 3041108, 3801385, 4344440, 6082216, 7602770, 15205540, 30411080]

約数ペア:

[(1, 30411080), (2, 15205540), (4, 7602770), (5, 6082216), (7, 4344440), (8, 3801385), (10, 3041108), (14, 2172220), (20, 1520554), (28, 1086110), (35, 868888), (40, 760277), (56, 543055), (70, 434444), (140, 217222), (280, 108611), (313, 97160), (347, 87640), (626, 48580), (694, 43820), (1252, 24290), (1388, 21910), (1565, 19432), (1735, 17528), (2191, 13880), (2429, 12520), (2504, 12145), (2776, 10955), (3130, 9716), (3470, 8764), (4382, 6940), (4858, 6260)]