61713280

素因数分解:

$2^7\times 5^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 148556880

約数和(自身を除く): 86843600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 320, 422, 457, 640, 844, 914, 1055, 1688, 1828, 2110, 2285, 3376, 3656, 4220, 4570, 6752, 7312, 8440, 9140, 13504, 14624, 16880, 18280, 27008, 29248, 33760, 36560, 58496, 67520, 73120, 96427, 135040, 146240, 192854, 292480, 385708, 482135, 771416, 964270, 1542832, 1928540, 3085664, 3857080, 6171328, 7714160, 12342656, 15428320, 30856640, 61713280]

約数ペア:

[(1, 61713280), (2, 30856640), (4, 15428320), (5, 12342656), (8, 7714160), (10, 6171328), (16, 3857080), (20, 3085664), (32, 1928540), (40, 1542832), (64, 964270), (80, 771416), (128, 482135), (160, 385708), (211, 292480), (320, 192854), (422, 146240), (457, 135040), (640, 96427), (844, 73120), (914, 67520), (1055, 58496), (1688, 36560), (1828, 33760), (2110, 29248), (2285, 27008), (3376, 18280), (3656, 16880), (4220, 14624), (4570, 13504), (6752, 9140), (7312, 8440)]