1581036280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{3389}}^1$

素因数の和:3616

約数の個数: 64

約数和(自身を含む): 3624588000

約数和(自身を除く): 2043551720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 109, 214, 218, 428, 436, 535, 545, 856, 872, 1070, 1090, 2140, 2180, 3389, 4280, 4360, 6778, 11663, 13556, 16945, 23326, 27112, 33890, 46652, 58315, 67780, 93304, 116630, 135560, 233260, 362623, 369401, 466520, 725246, 738802, 1450492, 1477604, 1813115, 1847005, 2900984, 2955208, 3626230, 3694010, 7252460, 7388020, 14504920, 14776040, 39525907, 79051814, 158103628, 197629535, 316207256, 395259070, 790518140, 1581036280]

約数ペア:

[(1, 1581036280), (2, 790518140), (4, 395259070), (5, 316207256), (8, 197629535), (10, 158103628), (20, 79051814), (40, 39525907), (107, 14776040), (109, 14504920), (214, 7388020), (218, 7252460), (428, 3694010), (436, 3626230), (535, 2955208), (545, 2900984), (856, 1847005), (872, 1813115), (1070, 1477604), (1090, 1450492), (2140, 738802), (2180, 725246), (3389, 466520), (4280, 369401), (4360, 362623), (6778, 233260), (11663, 135560), (13556, 116630), (16945, 93304), (23326, 67780), (27112, 58315), (33890, 46652)]