1561157856

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{12577}}^1$

素因数の和:13024

約数の個数: 72

約数和(自身を含む): 4450197024

約数和(自身を除く): 2889039168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 862, 1293, 1724, 2586, 3448, 3879, 5172, 6896, 7758, 10344, 12577, 13792, 15516, 20688, 25154, 31032, 37731, 41376, 50308, 62064, 75462, 100616, 113193, 124128, 150924, 201232, 226386, 301848, 402464, 452772, 603696, 905544, 1207392, 1811088, 3622176, 5420687, 10841374, 16262061, 21682748, 32524122, 43365496, 48786183, 65048244, 86730992, 97572366, 130096488, 173461984, 195144732, 260192976, 390289464, 520385952, 780578928, 1561157856]

約数ペア:

[(1, 1561157856), (2, 780578928), (3, 520385952), (4, 390289464), (6, 260192976), (8, 195144732), (9, 173461984), (12, 130096488), (16, 97572366), (18, 86730992), (24, 65048244), (32, 48786183), (36, 43365496), (48, 32524122), (72, 21682748), (96, 16262061), (144, 10841374), (288, 5420687), (431, 3622176), (862, 1811088), (1293, 1207392), (1724, 905544), (2586, 603696), (3448, 452772), (3879, 402464), (5172, 301848), (6896, 226386), (7758, 201232), (10344, 150924), (12577, 124128), (13792, 113193), (15516, 100616), (20688, 75462), (25154, 62064), (31032, 50308), (37731, 41376)]