68291295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 122425344

約数和(自身を除く): 54134049

約数列:

[1, 3, 5, 15, 17, 31, 51, 53, 85, 93, 155, 159, 163, 255, 265, 465, 489, 527, 795, 815, 901, 1581, 1643, 2445, 2635, 2703, 2771, 4505, 4929, 5053, 7905, 8215, 8313, 8639, 13515, 13855, 15159, 24645, 25265, 25917, 27931, 41565, 43195, 75795, 83793, 85901, 129585, 139655, 146863, 257703, 267809, 418965, 429505, 440589, 734315, 803427, 1288515, 1339045, 2202945, 4017135, 4552753, 13658259, 22763765, 68291295]

約数ペア:

[(1, 68291295), (3, 22763765), (5, 13658259), (15, 4552753), (17, 4017135), (31, 2202945), (51, 1339045), (53, 1288515), (85, 803427), (93, 734315), (155, 440589), (159, 429505), (163, 418965), (255, 267809), (265, 257703), (465, 146863), (489, 139655), (527, 129585), (795, 85901), (815, 83793), (901, 75795), (1581, 43195), (1643, 41565), (2445, 27931), (2635, 25917), (2703, 25265), (2771, 24645), (4505, 15159), (4929, 13855), (5053, 13515), (7905, 8639), (8215, 8313)]