2049547080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{15541}}^1$

素因数の和:15719

約数の個数: 128

約数和(自身を含む): 7072231680

約数和(自身を除く): 5022684600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1884, 2198, 2355, 3140, 3297, 3768, 4396, 4710, 5495, 6280, 6594, 8792, 9420, 10990, 13188, 15541, 16485, 18840, 21980, 26376, 31082, 32970, 43960, 46623, 62164, 65940, 77705, 93246, 108787, 124328, 131880, 155410, 186492, 217574, 233115, 310820, 326361, 372984, 435148, 466230, 543935, 621640, 652722, 870296, 932460, 1087870, 1305444, 1631805, 1864920, 2175740, 2439937, 2610888, 3263610, 4351480, 4879874, 6527220, 7319811, 9759748, 12199685, 13054440, 14639622, 17079559, 19519496, 24399370, 29279244, 34159118, 36599055, 48798740, 51238677, 58558488, 68318236, 73198110, 85397795, 97597480, 102477354, 136636472, 146396220, 170795590, 204954708, 256193385, 292792440, 341591180, 409909416, 512386770, 683182360, 1024773540, 2049547080]

約数ペア:

[(1, 2049547080), (2, 1024773540), (3, 683182360), (4, 512386770), (5, 409909416), (6, 341591180), (7, 292792440), (8, 256193385), (10, 204954708), (12, 170795590), (14, 146396220), (15, 136636472), (20, 102477354), (21, 97597480), (24, 85397795), (28, 73198110), (30, 68318236), (35, 58558488), (40, 51238677), (42, 48798740), (56, 36599055), (60, 34159118), (70, 29279244), (84, 24399370), (105, 19519496), (120, 17079559), (140, 14639622), (157, 13054440), (168, 12199685), (210, 9759748), (280, 7319811), (314, 6527220), (420, 4879874), (471, 4351480), (628, 3263610), (785, 2610888), (840, 2439937), (942, 2175740), (1099, 1864920), (1256, 1631805), (1570, 1305444), (1884, 1087870), (2198, 932460), (2355, 870296), (3140, 652722), (3297, 621640), (3768, 543935), (4396, 466230), (4710, 435148), (5495, 372984), (6280, 326361), (6594, 310820), (8792, 233115), (9420, 217574), (10990, 186492), (13188, 155410), (15541, 131880), (16485, 124328), (18840, 108787), (21980, 93246), (26376, 77705), (31082, 65940), (32970, 62164), (43960, 46623)]