1640772270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{180503}}^1$

素因数の和:180617

約数の個数: 48

約数和(自身を含む): 4308269472

約数和(自身を除く): 2667497202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 101, 202, 303, 505, 606, 909, 1010, 1515, 1818, 3030, 4545, 9090, 180503, 361006, 541509, 902515, 1083018, 1624527, 1805030, 2707545, 3249054, 5415090, 8122635, 16245270, 18230803, 36461606, 54692409, 91154015, 109384818, 164077227, 182308030, 273462045, 328154454, 546924090, 820386135, 1640772270]

約数ペア:

[(1, 1640772270), (2, 820386135), (3, 546924090), (5, 328154454), (6, 273462045), (9, 182308030), (10, 164077227), (15, 109384818), (18, 91154015), (30, 54692409), (45, 36461606), (90, 18230803), (101, 16245270), (202, 8122635), (303, 5415090), (505, 3249054), (606, 2707545), (909, 1805030), (1010, 1624527), (1515, 1083018), (1818, 902515), (3030, 541509), (4545, 361006), (9090, 180503)]