81688680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226913}}^1$

素因数の和:226930

約数の個数: 48

約数和(自身を含む): 265489380

約数和(自身を除く): 183800700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226913, 453826, 680739, 907652, 1134565, 1361478, 1815304, 2042217, 2269130, 2722956, 3403695, 4084434, 4538260, 5445912, 6807390, 8168868, 9076520, 10211085, 13614780, 16337736, 20422170, 27229560, 40844340, 81688680]

約数ペア:

[(1, 81688680), (2, 40844340), (3, 27229560), (4, 20422170), (5, 16337736), (6, 13614780), (8, 10211085), (9, 9076520), (10, 8168868), (12, 6807390), (15, 5445912), (18, 4538260), (20, 4084434), (24, 3403695), (30, 2722956), (36, 2269130), (40, 2042217), (45, 1815304), (60, 1361478), (72, 1134565), (90, 907652), (120, 680739), (180, 453826), (360, 226913)]