640416399984

素因数分解:

$2^4\times 3^2\times {\mathrm{9811}}^1\times {\mathrm{453301}}^1$

素因数の和:463126

約数の個数: 60

約数和(自身を含む): 1792463087272

約数和(自身を除く): 1152046687288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 9811, 19622, 29433, 39244, 58866, 78488, 88299, 117732, 156976, 176598, 235464, 353196, 453301, 470928, 706392, 906602, 1359903, 1412784, 1813204, 2719806, 3626408, 4079709, 5439612, 7252816, 8159418, 10879224, 16318836, 21758448, 32637672, 65275344, 4447336111, 8894672222, 13342008333, 17789344444, 26684016666, 35578688888, 40026024999, 53368033332, 71157377776, 80052049998, 106736066664, 160104099996, 213472133328, 320208199992, 640416399984]

約数ペア:

[(1, 640416399984), (2, 320208199992), (3, 213472133328), (4, 160104099996), (6, 106736066664), (8, 80052049998), (9, 71157377776), (12, 53368033332), (16, 40026024999), (18, 35578688888), (24, 26684016666), (36, 17789344444), (48, 13342008333), (72, 8894672222), (144, 4447336111), (9811, 65275344), (19622, 32637672), (29433, 21758448), (39244, 16318836), (58866, 10879224), (78488, 8159418), (88299, 7252816), (117732, 5439612), (156976, 4079709), (176598, 3626408), (235464, 2719806), (353196, 1813204), (453301, 1412784), (470928, 1359903), (706392, 906602)]