641347860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{6211}}^1$

素因数の和:7944

約数の個数: 48

約数和(自身を含む): 1797106752

約数和(自身を除く): 1155758892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1721, 3442, 5163, 6211, 6884, 8605, 10326, 12422, 17210, 18633, 20652, 24844, 25815, 31055, 34420, 37266, 51630, 62110, 74532, 93165, 103260, 124220, 186330, 372660, 10689131, 21378262, 32067393, 42756524, 53445655, 64134786, 106891310, 128269572, 160336965, 213782620, 320673930, 641347860]

約数ペア:

[(1, 641347860), (2, 320673930), (3, 213782620), (4, 160336965), (5, 128269572), (6, 106891310), (10, 64134786), (12, 53445655), (15, 42756524), (20, 32067393), (30, 21378262), (60, 10689131), (1721, 372660), (3442, 186330), (5163, 124220), (6211, 103260), (6884, 93165), (8605, 74532), (10326, 62110), (12422, 51630), (17210, 37266), (18633, 34420), (20652, 31055), (24844, 25815)]