30720606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 74718720

約数和(自身を除く): 43998114

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 137, 266, 274, 281, 399, 411, 562, 798, 822, 843, 959, 1686, 1918, 1967, 2603, 2877, 3934, 5206, 5339, 5754, 5901, 7809, 10678, 11802, 15618, 16017, 18221, 32034, 36442, 37373, 38497, 54663, 74746, 76994, 109326, 112119, 115491, 224238, 230982, 269479, 538958, 731443, 808437, 1462886, 1616874, 2194329, 4388658, 5120101, 10240202, 15360303, 30720606]

約数ペア:

[(1, 30720606), (2, 15360303), (3, 10240202), (6, 5120101), (7, 4388658), (14, 2194329), (19, 1616874), (21, 1462886), (38, 808437), (42, 731443), (57, 538958), (114, 269479), (133, 230982), (137, 224238), (266, 115491), (274, 112119), (281, 109326), (399, 76994), (411, 74746), (562, 54663), (798, 38497), (822, 37373), (843, 36442), (959, 32034), (1686, 18221), (1918, 16017), (1967, 15618), (2603, 11802), (2877, 10678), (3934, 7809), (5206, 5901), (5339, 5754)]