15617920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1103

約数の個数: 64

約数和(自身を含む): 38996640

約数和(自身を除く): 23378720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1061, 1472, 1840, 2122, 2944, 3680, 4244, 5305, 7360, 8488, 10610, 14720, 16976, 21220, 24403, 33952, 42440, 48806, 67904, 84880, 97612, 122015, 135808, 169760, 195224, 244030, 339520, 390448, 488060, 679040, 780896, 976120, 1561792, 1952240, 3123584, 3904480, 7808960, 15617920]

約数ペア:

[(1, 15617920), (2, 7808960), (4, 3904480), (5, 3123584), (8, 1952240), (10, 1561792), (16, 976120), (20, 780896), (23, 679040), (32, 488060), (40, 390448), (46, 339520), (64, 244030), (80, 195224), (92, 169760), (115, 135808), (128, 122015), (160, 97612), (184, 84880), (230, 67904), (320, 48806), (368, 42440), (460, 33952), (640, 24403), (736, 21220), (920, 16976), (1061, 14720), (1472, 10610), (1840, 8488), (2122, 7360), (2944, 5305), (3680, 4244)]