180896820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{231919}}^1$

素因数の和:231944

約数の個数: 48

約数和(自身を含む): 545475840

約数和(自身を除く): 364579020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 231919, 463838, 695757, 927676, 1159595, 1391514, 2319190, 2783028, 3014947, 3478785, 4638380, 6029894, 6957570, 9044841, 12059788, 13915140, 15074735, 18089682, 30149470, 36179364, 45224205, 60298940, 90448410, 180896820]

約数ペア:

[(1, 180896820), (2, 90448410), (3, 60298940), (4, 45224205), (5, 36179364), (6, 30149470), (10, 18089682), (12, 15074735), (13, 13915140), (15, 12059788), (20, 9044841), (26, 6957570), (30, 6029894), (39, 4638380), (52, 3478785), (60, 3014947), (65, 2783028), (78, 2319190), (130, 1391514), (156, 1159595), (195, 927676), (260, 695757), (390, 463838), (780, 231919)]