66287320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 164851200

約数和(自身を除く): 98563880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 1907, 3160, 3476, 3814, 4345, 6952, 7628, 8690, 9535, 15256, 17380, 19070, 20977, 34760, 38140, 41954, 76280, 83908, 104885, 150653, 167816, 209770, 301306, 419540, 602612, 753265, 839080, 1205224, 1506530, 1657183, 3013060, 3314366, 6026120, 6628732, 8285915, 13257464, 16571830, 33143660, 66287320]

約数ペア:

[(1, 66287320), (2, 33143660), (4, 16571830), (5, 13257464), (8, 8285915), (10, 6628732), (11, 6026120), (20, 3314366), (22, 3013060), (40, 1657183), (44, 1506530), (55, 1205224), (79, 839080), (88, 753265), (110, 602612), (158, 419540), (220, 301306), (316, 209770), (395, 167816), (440, 150653), (632, 104885), (790, 83908), (869, 76280), (1580, 41954), (1738, 38140), (1907, 34760), (3160, 20977), (3476, 19070), (3814, 17380), (4345, 15256), (6952, 9535), (7628, 8690)]