30487280

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2129}}^1$

素因数の和:2321

約数の個数: 40

約数和(自身を含む): 71312400

約数和(自身を除く): 40825120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2129, 2864, 3580, 4258, 7160, 8516, 10645, 14320, 17032, 21290, 34064, 42580, 85160, 170320, 381091, 762182, 1524364, 1905455, 3048728, 3810910, 6097456, 7621820, 15243640, 30487280]

約数ペア:

[(1, 30487280), (2, 15243640), (4, 7621820), (5, 6097456), (8, 3810910), (10, 3048728), (16, 1905455), (20, 1524364), (40, 762182), (80, 381091), (179, 170320), (358, 85160), (716, 42580), (895, 34064), (1432, 21290), (1790, 17032), (2129, 14320), (2864, 10645), (3580, 8516), (4258, 7160)]