13381020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 41146560

約数和(自身を除く): 27765540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 941, 948, 1185, 1422, 1580, 1882, 2370, 2823, 2844, 3555, 3764, 4705, 4740, 5646, 7110, 8469, 9410, 11292, 14115, 14220, 16938, 18820, 28230, 33876, 42345, 56460, 74339, 84690, 148678, 169380, 223017, 297356, 371695, 446034, 669051, 743390, 892068, 1115085, 1338102, 1486780, 2230170, 2676204, 3345255, 4460340, 6690510, 13381020]

約数ペア:

[(1, 13381020), (2, 6690510), (3, 4460340), (4, 3345255), (5, 2676204), (6, 2230170), (9, 1486780), (10, 1338102), (12, 1115085), (15, 892068), (18, 743390), (20, 669051), (30, 446034), (36, 371695), (45, 297356), (60, 223017), (79, 169380), (90, 148678), (158, 84690), (180, 74339), (237, 56460), (316, 42345), (395, 33876), (474, 28230), (711, 18820), (790, 16938), (941, 14220), (948, 14115), (1185, 11292), (1422, 9410), (1580, 8469), (1882, 7110), (2370, 5646), (2823, 4740), (2844, 4705), (3555, 3764)]