68738260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 154685160

約数和(自身を除く): 85946900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 89, 92, 115, 146, 178, 230, 292, 356, 365, 445, 460, 529, 730, 890, 1058, 1460, 1679, 1780, 2047, 2116, 2645, 3358, 4094, 5290, 6497, 6716, 8188, 8395, 10235, 10580, 12994, 16790, 20470, 25988, 32485, 33580, 38617, 40940, 47081, 64970, 77234, 94162, 129940, 149431, 154468, 188324, 193085, 235405, 298862, 386170, 470810, 597724, 747155, 772340, 941620, 1494310, 2988620, 3436913, 6873826, 13747652, 17184565, 34369130, 68738260]

約数ペア:

[(1, 68738260), (2, 34369130), (4, 17184565), (5, 13747652), (10, 6873826), (20, 3436913), (23, 2988620), (46, 1494310), (73, 941620), (89, 772340), (92, 747155), (115, 597724), (146, 470810), (178, 386170), (230, 298862), (292, 235405), (356, 193085), (365, 188324), (445, 154468), (460, 149431), (529, 129940), (730, 94162), (890, 77234), (1058, 64970), (1460, 47081), (1679, 40940), (1780, 38617), (2047, 33580), (2116, 32485), (2645, 25988), (3358, 20470), (4094, 16790), (5290, 12994), (6497, 10580), (6716, 10235), (8188, 8395)]