80972460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16661}}^1$

素因数の和:16685

約数の個数: 72

約数和(自身を含む): 254728656

約数和(自身を除く): 173756196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16661, 33322, 49983, 66644, 83305, 99966, 149949, 166610, 199932, 249915, 299898, 333220, 449847, 499830, 599796, 749745, 899694, 999660, 1349541, 1499490, 1799388, 2249235, 2699082, 2998980, 4048623, 4498470, 5398164, 6747705, 8097246, 8996940, 13495410, 16194492, 20243115, 26990820, 40486230, 80972460]

約数ペア:

[(1, 80972460), (2, 40486230), (3, 26990820), (4, 20243115), (5, 16194492), (6, 13495410), (9, 8996940), (10, 8097246), (12, 6747705), (15, 5398164), (18, 4498470), (20, 4048623), (27, 2998980), (30, 2699082), (36, 2249235), (45, 1799388), (54, 1499490), (60, 1349541), (81, 999660), (90, 899694), (108, 749745), (135, 599796), (162, 499830), (180, 449847), (243, 333220), (270, 299898), (324, 249915), (405, 199932), (486, 166610), (540, 149949), (810, 99966), (972, 83305), (1215, 66644), (1620, 49983), (2430, 33322), (4860, 16661)]