80144820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63607}}^1$

素因数の和:63629

約数の個数: 72

約数和(自身を含む): 277839744

約数和(自身を除く): 197694924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63607, 127214, 190821, 254428, 318035, 381642, 445249, 572463, 636070, 763284, 890498, 954105, 1144926, 1272140, 1335747, 1780996, 1908210, 2226245, 2289852, 2671494, 2862315, 3816420, 4007241, 4452490, 5342988, 5724630, 6678735, 8014482, 8904980, 11449260, 13357470, 16028964, 20036205, 26714940, 40072410, 80144820]

約数ペア:

[(1, 80144820), (2, 40072410), (3, 26714940), (4, 20036205), (5, 16028964), (6, 13357470), (7, 11449260), (9, 8904980), (10, 8014482), (12, 6678735), (14, 5724630), (15, 5342988), (18, 4452490), (20, 4007241), (21, 3816420), (28, 2862315), (30, 2671494), (35, 2289852), (36, 2226245), (42, 1908210), (45, 1780996), (60, 1335747), (63, 1272140), (70, 1144926), (84, 954105), (90, 890498), (105, 763284), (126, 636070), (140, 572463), (180, 445249), (210, 381642), (252, 318035), (315, 254428), (420, 190821), (630, 127214), (1260, 63607)]