63647240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 147692160

約数和(自身を除く): 84044920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 307, 355, 365, 568, 584, 614, 710, 730, 1228, 1420, 1460, 1535, 2456, 2840, 2920, 3070, 5183, 6140, 10366, 12280, 20732, 21797, 22411, 25915, 41464, 43594, 44822, 51830, 87188, 89644, 103660, 108985, 112055, 174376, 179288, 207320, 217970, 224110, 435940, 448220, 871880, 896440, 1591181, 3182362, 6364724, 7955905, 12729448, 15911810, 31823620, 63647240]

約数ペア:

[(1, 63647240), (2, 31823620), (4, 15911810), (5, 12729448), (8, 7955905), (10, 6364724), (20, 3182362), (40, 1591181), (71, 896440), (73, 871880), (142, 448220), (146, 435940), (284, 224110), (292, 217970), (307, 207320), (355, 179288), (365, 174376), (568, 112055), (584, 108985), (614, 103660), (710, 89644), (730, 87188), (1228, 51830), (1420, 44822), (1460, 43594), (1535, 41464), (2456, 25915), (2840, 22411), (2920, 21797), (3070, 20732), (5183, 12280), (6140, 10366)]