28006290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 82252800

約数和(自身を除く): 54246510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 79, 90, 101, 117, 130, 135, 158, 195, 202, 234, 237, 270, 303, 351, 390, 395, 474, 505, 585, 606, 702, 711, 790, 909, 1010, 1027, 1170, 1185, 1313, 1422, 1515, 1755, 1818, 2054, 2133, 2370, 2626, 2727, 3030, 3081, 3510, 3555, 3939, 4266, 4545, 5135, 5454, 6162, 6565, 7110, 7878, 7979, 9090, 9243, 10270, 10665, 11817, 13130, 13635, 15405, 15958, 18486, 19695, 21330, 23634, 23937, 27270, 27729, 30810, 35451, 39390, 39895, 46215, 47874, 55458, 59085, 70902, 71811, 79790, 92430, 103727, 118170, 119685, 138645, 143622, 177255, 207454, 215433, 239370, 277290, 311181, 354510, 359055, 430866, 518635, 622362, 718110, 933543, 1037270, 1077165, 1555905, 1867086, 2154330, 2800629, 3111810, 4667715, 5601258, 9335430, 14003145, 28006290]

約数ペア:

[(1, 28006290), (2, 14003145), (3, 9335430), (5, 5601258), (6, 4667715), (9, 3111810), (10, 2800629), (13, 2154330), (15, 1867086), (18, 1555905), (26, 1077165), (27, 1037270), (30, 933543), (39, 718110), (45, 622362), (54, 518635), (65, 430866), (78, 359055), (79, 354510), (90, 311181), (101, 277290), (117, 239370), (130, 215433), (135, 207454), (158, 177255), (195, 143622), (202, 138645), (234, 119685), (237, 118170), (270, 103727), (303, 92430), (351, 79790), (390, 71811), (395, 70902), (474, 59085), (505, 55458), (585, 47874), (606, 46215), (702, 39895), (711, 39390), (790, 35451), (909, 30810), (1010, 27729), (1027, 27270), (1170, 23937), (1185, 23634), (1313, 21330), (1422, 19695), (1515, 18486), (1755, 15958), (1818, 15405), (2054, 13635), (2133, 13130), (2370, 11817), (2626, 10665), (2727, 10270), (3030, 9243), (3081, 9090), (3510, 7979), (3555, 7878), (3939, 7110), (4266, 6565), (4545, 6162), (5135, 5454)]