726397960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{4091}}^1$

素因数の和:4318

約数の個数: 64

約数和(自身を含む): 1714711680

約数和(自身を除く): 988313720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 193, 230, 386, 460, 772, 920, 965, 1544, 1930, 3860, 4091, 4439, 7720, 8182, 8878, 16364, 17756, 20455, 22195, 32728, 35512, 40910, 44390, 81820, 88780, 94093, 163640, 177560, 188186, 376372, 470465, 752744, 789563, 940930, 1579126, 1881860, 3158252, 3763720, 3947815, 6316504, 7895630, 15791260, 18159949, 31582520, 36319898, 72639796, 90799745, 145279592, 181599490, 363198980, 726397960]

約数ペア:

[(1, 726397960), (2, 363198980), (4, 181599490), (5, 145279592), (8, 90799745), (10, 72639796), (20, 36319898), (23, 31582520), (40, 18159949), (46, 15791260), (92, 7895630), (115, 6316504), (184, 3947815), (193, 3763720), (230, 3158252), (386, 1881860), (460, 1579126), (772, 940930), (920, 789563), (965, 752744), (1544, 470465), (1930, 376372), (3860, 188186), (4091, 177560), (4439, 163640), (7720, 94093), (8182, 88780), (8878, 81820), (16364, 44390), (17756, 40910), (20455, 35512), (22195, 32728)]