72157021145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 103029325056

約数和(自身を除く): 30872303911

約数列:

[1, 5, 11, 19, 41, 55, 95, 137, 205, 209, 361, 451, 647, 685, 779, 1045, 1507, 1805, 2255, 2603, 3235, 3895, 3971, 5617, 7117, 7535, 8569, 12293, 13015, 14801, 19855, 26527, 28085, 28633, 35585, 42845, 49457, 61465, 61787, 74005, 88639, 106723, 132635, 135223, 143165, 162811, 233567, 247285, 291797, 308935, 443195, 504013, 533615, 544027, 676115, 814055, 975029, 1167835, 1173953, 1458985, 1684141, 2027737, 2520065, 2569237, 2720135, 3634199, 4875145, 5544143, 5869765, 8420705, 9576247, 10138685, 12846185, 18170995, 18525551, 22305107, 27720715, 31998679, 39976189, 47881235, 69049781, 92627755, 105338717, 111525535, 159993395, 199880945, 345248905, 351985469, 526693585, 759547591, 1311945839, 1759927345, 3797737955, 6559729195, 14431404229, 72157021145]

約数ペア:

[(1, 72157021145), (5, 14431404229), (11, 6559729195), (19, 3797737955), (41, 1759927345), (55, 1311945839), (95, 759547591), (137, 526693585), (205, 351985469), (209, 345248905), (361, 199880945), (451, 159993395), (647, 111525535), (685, 105338717), (779, 92627755), (1045, 69049781), (1507, 47881235), (1805, 39976189), (2255, 31998679), (2603, 27720715), (3235, 22305107), (3895, 18525551), (3971, 18170995), (5617, 12846185), (7117, 10138685), (7535, 9576247), (8569, 8420705), (12293, 5869765), (13015, 5544143), (14801, 4875145), (19855, 3634199), (26527, 2720135), (28085, 2569237), (28633, 2520065), (35585, 2027737), (42845, 1684141), (49457, 1458985), (61465, 1173953), (61787, 1167835), (74005, 975029), (88639, 814055), (106723, 676115), (132635, 544027), (135223, 533615), (143165, 504013), (162811, 443195), (233567, 308935), (247285, 291797)]