1280956176964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3389}}^1\times {\mathrm{20809}}^1$

素因数の和:24460

約数の個数: 48

約数和(自身を含む): 2370342240000

約数和(自身を除く): 1089386063036

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 3389, 4541, 6778, 9082, 13556, 18164, 20809, 41618, 64391, 83236, 128782, 257564, 395371, 790742, 809971, 1581484, 1619942, 3239884, 4973351, 9946702, 15389449, 19893404, 30778898, 61557796, 70521701, 94493669, 141043402, 188987338, 282086804, 377974676, 1339912319, 2679824638, 5359649276, 16854686539, 33709373078, 67418746156, 320239044241, 640478088482, 1280956176964]

約数ペア:

[(1, 1280956176964), (2, 640478088482), (4, 320239044241), (19, 67418746156), (38, 33709373078), (76, 16854686539), (239, 5359649276), (478, 2679824638), (956, 1339912319), (3389, 377974676), (4541, 282086804), (6778, 188987338), (9082, 141043402), (13556, 94493669), (18164, 70521701), (20809, 61557796), (41618, 30778898), (64391, 19893404), (83236, 15389449), (128782, 9946702), (257564, 4973351), (395371, 3239884), (790742, 1619942), (809971, 1581484)]