71946280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 185898240

約数和(自身を除く): 113951960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 977, 1052, 1315, 1841, 1954, 2104, 2630, 3682, 3908, 4885, 5260, 6839, 7364, 7816, 9205, 9770, 10520, 13678, 14728, 18410, 19540, 27356, 34195, 36820, 39080, 54712, 68390, 73640, 136780, 256951, 273560, 513902, 1027804, 1284755, 1798657, 2055608, 2569510, 3597314, 5139020, 7194628, 8993285, 10278040, 14389256, 17986570, 35973140, 71946280]

約数ペア:

[(1, 71946280), (2, 35973140), (4, 17986570), (5, 14389256), (7, 10278040), (8, 8993285), (10, 7194628), (14, 5139020), (20, 3597314), (28, 2569510), (35, 2055608), (40, 1798657), (56, 1284755), (70, 1027804), (140, 513902), (263, 273560), (280, 256951), (526, 136780), (977, 73640), (1052, 68390), (1315, 54712), (1841, 39080), (1954, 36820), (2104, 34195), (2630, 27356), (3682, 19540), (3908, 18410), (4885, 14728), (5260, 13678), (6839, 10520), (7364, 9770), (7816, 9205)]