64713880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21011}}^1$

素因数の和:21040

約数の個数: 64

約数和(自身を含む): 181543680

約数和(自身を除く): 116829800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21011, 42022, 84044, 105055, 147077, 168088, 210110, 231121, 294154, 420220, 462242, 588308, 735385, 840440, 924484, 1155605, 1176616, 1470770, 1617847, 1848968, 2311210, 2941540, 3235694, 4622420, 5883080, 6471388, 8089235, 9244840, 12942776, 16178470, 32356940, 64713880]

約数ペア:

[(1, 64713880), (2, 32356940), (4, 16178470), (5, 12942776), (7, 9244840), (8, 8089235), (10, 6471388), (11, 5883080), (14, 4622420), (20, 3235694), (22, 2941540), (28, 2311210), (35, 1848968), (40, 1617847), (44, 1470770), (55, 1176616), (56, 1155605), (70, 924484), (77, 840440), (88, 735385), (110, 588308), (140, 462242), (154, 420220), (220, 294154), (280, 231121), (308, 210110), (385, 168088), (440, 147077), (616, 105055), (770, 84044), (1540, 42022), (3080, 21011)]