178166820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{228419}}^1$

素因数の和:228444

約数の個数: 48

約数和(自身を含む): 537243840

約数和(自身を除く): 359077020

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, 228419, 456838, 685257, 913676, 1142095, 1370514, 2284190, 2741028, 2969447, 3426285, 4568380, 5938894, 6852570, 8908341, 11877788, 13705140, 14847235, 17816682, 29694470, 35633364, 44541705, 59388940, 89083410, 178166820]

約数ペア:

[(1, 178166820), (2, 89083410), (3, 59388940), (4, 44541705), (5, 35633364), (6, 29694470), (10, 17816682), (12, 14847235), (13, 13705140), (15, 11877788), (20, 8908341), (26, 6852570), (30, 5938894), (39, 4568380), (52, 3426285), (60, 2969447), (65, 2741028), (78, 2284190), (130, 1370514), (156, 1142095), (195, 913676), (260, 685257), (390, 456838), (780, 228419)]