1289704080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{767681}}^1$

素因数の和:767704

約数の個数: 80

約数和(自身を含む): 4569243264

約数和(自身を除く): 3279539184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 767681, 1535362, 2303043, 3070724, 3838405, 4606086, 5373767, 6141448, 7676810, 9212172, 10747534, 11515215, 12282896, 15353620, 16121301, 18424344, 21495068, 23030430, 26868835, 30707240, 32242602, 36848688, 42990136, 46060860, 53737670, 61414480, 64485204, 80606505, 85980272, 92121720, 107475340, 128970408, 161213010, 184243440, 214950680, 257940816, 322426020, 429901360, 644852040, 1289704080]

約数ペア:

[(1, 1289704080), (2, 644852040), (3, 429901360), (4, 322426020), (5, 257940816), (6, 214950680), (7, 184243440), (8, 161213010), (10, 128970408), (12, 107475340), (14, 92121720), (15, 85980272), (16, 80606505), (20, 64485204), (21, 61414480), (24, 53737670), (28, 46060860), (30, 42990136), (35, 36848688), (40, 32242602), (42, 30707240), (48, 26868835), (56, 23030430), (60, 21495068), (70, 18424344), (80, 16121301), (84, 15353620), (105, 12282896), (112, 11515215), (120, 10747534), (140, 9212172), (168, 7676810), (210, 6141448), (240, 5373767), (280, 4606086), (336, 3838405), (420, 3070724), (560, 2303043), (840, 1535362), (1680, 767681)]