8047164420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{211879}}^1$

素因数の和:212105

約数の個数: 72

約数和(自身を含む): 24525533760

約数和(自身を除く): 16478369340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 211879, 423758, 635637, 847516, 1059395, 1271274, 1906911, 2118790, 2542548, 3178185, 3813822, 4237580, 6356370, 7627644, 9534555, 12712740, 19069110, 38138220, 44706469, 89412938, 134119407, 178825876, 223532345, 268238814, 402358221, 447064690, 536477628, 670597035, 804716442, 894129380, 1341194070, 1609432884, 2011791105, 2682388140, 4023582210, 8047164420]

約数ペア:

[(1, 8047164420), (2, 4023582210), (3, 2682388140), (4, 2011791105), (5, 1609432884), (6, 1341194070), (9, 894129380), (10, 804716442), (12, 670597035), (15, 536477628), (18, 447064690), (20, 402358221), (30, 268238814), (36, 223532345), (45, 178825876), (60, 134119407), (90, 89412938), (180, 44706469), (211, 38138220), (422, 19069110), (633, 12712740), (844, 9534555), (1055, 7627644), (1266, 6356370), (1899, 4237580), (2110, 3813822), (2532, 3178185), (3165, 2542548), (3798, 2118790), (4220, 1906911), (6330, 1271274), (7596, 1059395), (9495, 847516), (12660, 635637), (18990, 423758), (37980, 211879)]