78861020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1347

約数の個数: 96

約数和(自身を含む): 208051200

約数和(自身を除く): 129190180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 532, 644, 665, 805, 874, 1289, 1330, 1610, 1748, 2185, 2578, 2660, 3059, 3220, 4370, 5156, 6118, 6445, 8740, 9023, 12236, 12890, 15295, 18046, 24491, 25780, 29647, 30590, 36092, 45115, 48982, 59294, 61180, 90230, 97964, 118588, 122455, 148235, 171437, 180460, 207529, 244910, 296470, 342874, 415058, 489820, 563293, 592940, 685748, 830116, 857185, 1037645, 1126586, 1714370, 2075290, 2253172, 2816465, 3428740, 3943051, 4150580, 5632930, 7886102, 11265860, 15772204, 19715255, 39430510, 78861020]

約数ペア:

[(1, 78861020), (2, 39430510), (4, 19715255), (5, 15772204), (7, 11265860), (10, 7886102), (14, 5632930), (19, 4150580), (20, 3943051), (23, 3428740), (28, 2816465), (35, 2253172), (38, 2075290), (46, 1714370), (70, 1126586), (76, 1037645), (92, 857185), (95, 830116), (115, 685748), (133, 592940), (140, 563293), (161, 489820), (190, 415058), (230, 342874), (266, 296470), (322, 244910), (380, 207529), (437, 180460), (460, 171437), (532, 148235), (644, 122455), (665, 118588), (805, 97964), (874, 90230), (1289, 61180), (1330, 59294), (1610, 48982), (1748, 45115), (2185, 36092), (2578, 30590), (2660, 29647), (3059, 25780), (3220, 24491), (4370, 18046), (5156, 15295), (6118, 12890), (6445, 12236), (8740, 9023)]