221531280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{923047}}^1$

素因数の和:923063

約数の個数: 40

約数和(自身を含む): 686747712

約数和(自身を除く): 465216432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 923047, 1846094, 2769141, 3692188, 4615235, 5538282, 7384376, 9230470, 11076564, 13845705, 14768752, 18460940, 22153128, 27691410, 36921880, 44306256, 55382820, 73843760, 110765640, 221531280]

約数ペア:

[(1, 221531280), (2, 110765640), (3, 73843760), (4, 55382820), (5, 44306256), (6, 36921880), (8, 27691410), (10, 22153128), (12, 18460940), (15, 14768752), (16, 13845705), (20, 11076564), (24, 9230470), (30, 7384376), (40, 5538282), (48, 4615235), (60, 3692188), (80, 2769141), (120, 1846094), (240, 923047)]