811974420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21379}}^1$

素因数の和:21605

約数の個数: 72

約数和(自身を含む): 2474777760

約数和(自身を除く): 1662803340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 21379, 37980, 42758, 64137, 85516, 106895, 128274, 192411, 213790, 256548, 320685, 384822, 427580, 641370, 769644, 962055, 1282740, 1924110, 3848220, 4510969, 9021938, 13532907, 18043876, 22554845, 27065814, 40598721, 45109690, 54131628, 67664535, 81197442, 90219380, 135329070, 162394884, 202993605, 270658140, 405987210, 811974420]

約数ペア:

[(1, 811974420), (2, 405987210), (3, 270658140), (4, 202993605), (5, 162394884), (6, 135329070), (9, 90219380), (10, 81197442), (12, 67664535), (15, 54131628), (18, 45109690), (20, 40598721), (30, 27065814), (36, 22554845), (45, 18043876), (60, 13532907), (90, 9021938), (180, 4510969), (211, 3848220), (422, 1924110), (633, 1282740), (844, 962055), (1055, 769644), (1266, 641370), (1899, 427580), (2110, 384822), (2532, 320685), (3165, 256548), (3798, 213790), (4220, 192411), (6330, 128274), (7596, 106895), (9495, 85516), (12660, 64137), (18990, 42758), (21379, 37980)]