81217584

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 261724320

約数和(自身を除く): 180506736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 197, 252, 336, 394, 409, 504, 591, 788, 818, 1008, 1182, 1227, 1379, 1576, 1636, 1773, 2364, 2454, 2758, 2863, 3152, 3272, 3546, 3681, 4137, 4728, 4908, 5516, 5726, 6544, 7092, 7362, 8274, 8589, 9456, 9816, 11032, 11452, 12411, 14184, 14724, 16548, 17178, 19632, 22064, 22904, 24822, 25767, 28368, 29448, 33096, 34356, 45808, 49644, 51534, 58896, 66192, 68712, 80573, 99288, 103068, 137424, 161146, 198576, 206136, 241719, 322292, 412272, 483438, 564011, 644584, 725157, 966876, 1128022, 1289168, 1450314, 1692033, 1933752, 2256044, 2900628, 3384066, 3867504, 4512088, 5076099, 5801256, 6768132, 9024176, 10152198, 11602512, 13536264, 20304396, 27072528, 40608792, 81217584]

約数ペア:

[(1, 81217584), (2, 40608792), (3, 27072528), (4, 20304396), (6, 13536264), (7, 11602512), (8, 10152198), (9, 9024176), (12, 6768132), (14, 5801256), (16, 5076099), (18, 4512088), (21, 3867504), (24, 3384066), (28, 2900628), (36, 2256044), (42, 1933752), (48, 1692033), (56, 1450314), (63, 1289168), (72, 1128022), (84, 966876), (112, 725157), (126, 644584), (144, 564011), (168, 483438), (197, 412272), (252, 322292), (336, 241719), (394, 206136), (409, 198576), (504, 161146), (591, 137424), (788, 103068), (818, 99288), (1008, 80573), (1182, 68712), (1227, 66192), (1379, 58896), (1576, 51534), (1636, 49644), (1773, 45808), (2364, 34356), (2454, 33096), (2758, 29448), (2863, 28368), (3152, 25767), (3272, 24822), (3546, 22904), (3681, 22064), (4137, 19632), (4728, 17178), (4908, 16548), (5516, 14724), (5726, 14184), (6544, 12411), (7092, 11452), (7362, 11032), (8274, 9816), (8589, 9456)]