140712840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{390869}}^1$

素因数の和:390886

約数の個数: 48

約数和(自身を含む): 457317900

約数和(自身を除く): 316605060

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, 390869, 781738, 1172607, 1563476, 1954345, 2345214, 3126952, 3517821, 3908690, 4690428, 5863035, 7035642, 7817380, 9380856, 11726070, 14071284, 15634760, 17589105, 23452140, 28142568, 35178210, 46904280, 70356420, 140712840]

約数ペア:

[(1, 140712840), (2, 70356420), (3, 46904280), (4, 35178210), (5, 28142568), (6, 23452140), (8, 17589105), (9, 15634760), (10, 14071284), (12, 11726070), (15, 9380856), (18, 7817380), (20, 7035642), (24, 5863035), (30, 4690428), (36, 3908690), (40, 3517821), (45, 3126952), (60, 2345214), (72, 1954345), (90, 1563476), (120, 1172607), (180, 781738), (360, 390869)]