320470912

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 661400640

約数和(自身を除く): 340929728

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 157, 296, 314, 431, 592, 628, 862, 1184, 1256, 1724, 2368, 2512, 3448, 4736, 5024, 5809, 6896, 10048, 11618, 13792, 15947, 20096, 23236, 27584, 31894, 46472, 55168, 63788, 67667, 92944, 127576, 135334, 185888, 255152, 270668, 371776, 510304, 541336, 743552, 1020608, 1082672, 2041216, 2165344, 2503679, 4330688, 5007358, 8661376, 10014716, 20029432, 40058864, 80117728, 160235456, 320470912]

約数ペア:

[(1, 320470912), (2, 160235456), (4, 80117728), (8, 40058864), (16, 20029432), (32, 10014716), (37, 8661376), (64, 5007358), (74, 4330688), (128, 2503679), (148, 2165344), (157, 2041216), (296, 1082672), (314, 1020608), (431, 743552), (592, 541336), (628, 510304), (862, 371776), (1184, 270668), (1256, 255152), (1724, 185888), (2368, 135334), (2512, 127576), (3448, 92944), (4736, 67667), (5024, 63788), (5809, 55168), (6896, 46472), (10048, 31894), (11618, 27584), (13792, 23236), (15947, 20096)]