66907120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 179149248

約数和(自身を除く): 112242128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 761, 785, 1099, 1256, 1522, 1570, 2198, 2512, 3044, 3140, 3805, 4396, 5327, 5495, 6088, 6280, 7610, 8792, 10654, 10990, 12176, 12560, 15220, 17584, 21308, 21980, 26635, 30440, 42616, 43960, 53270, 60880, 85232, 87920, 106540, 119477, 213080, 238954, 426160, 477908, 597385, 836339, 955816, 1194770, 1672678, 1911632, 2389540, 3345356, 4181695, 4779080, 6690712, 8363390, 9558160, 13381424, 16726780, 33453560, 66907120]

約数ペア:

[(1, 66907120), (2, 33453560), (4, 16726780), (5, 13381424), (7, 9558160), (8, 8363390), (10, 6690712), (14, 4779080), (16, 4181695), (20, 3345356), (28, 2389540), (35, 1911632), (40, 1672678), (56, 1194770), (70, 955816), (80, 836339), (112, 597385), (140, 477908), (157, 426160), (280, 238954), (314, 213080), (560, 119477), (628, 106540), (761, 87920), (785, 85232), (1099, 60880), (1256, 53270), (1522, 43960), (1570, 42616), (2198, 30440), (2512, 26635), (3044, 21980), (3140, 21308), (3805, 17584), (4396, 15220), (5327, 12560), (5495, 12176), (6088, 10990), (6280, 10654), (7610, 8792)]