261209712

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1061}}^1$

素因数の和:1318

約数の個数: 80

約数和(自身を含む): 707954688

約数和(自身を除く): 446744976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 223, 276, 368, 446, 552, 669, 892, 1061, 1104, 1338, 1784, 2122, 2676, 3183, 3568, 4244, 5129, 5352, 6366, 8488, 10258, 10704, 12732, 15387, 16976, 20516, 24403, 25464, 30774, 41032, 48806, 50928, 61548, 73209, 82064, 97612, 123096, 146418, 195224, 236603, 246192, 292836, 390448, 473206, 585672, 709809, 946412, 1171344, 1419618, 1892824, 2839236, 3785648, 5441869, 5678472, 10883738, 11356944, 16325607, 21767476, 32651214, 43534952, 65302428, 87069904, 130604856, 261209712]

約数ペア:

[(1, 261209712), (2, 130604856), (3, 87069904), (4, 65302428), (6, 43534952), (8, 32651214), (12, 21767476), (16, 16325607), (23, 11356944), (24, 10883738), (46, 5678472), (48, 5441869), (69, 3785648), (92, 2839236), (138, 1892824), (184, 1419618), (223, 1171344), (276, 946412), (368, 709809), (446, 585672), (552, 473206), (669, 390448), (892, 292836), (1061, 246192), (1104, 236603), (1338, 195224), (1784, 146418), (2122, 123096), (2676, 97612), (3183, 82064), (3568, 73209), (4244, 61548), (5129, 50928), (5352, 48806), (6366, 41032), (8488, 30774), (10258, 25464), (10704, 24403), (12732, 20516), (15387, 16976)]