198053120

素因数分解:

$2^8\times 5^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 476824320

約数和(自身を除く): 278771200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 359, 431, 640, 718, 862, 1280, 1436, 1724, 1795, 2155, 2872, 3448, 3590, 4310, 5744, 6896, 7180, 8620, 11488, 13792, 14360, 17240, 22976, 27584, 28720, 34480, 45952, 55168, 57440, 68960, 91904, 110336, 114880, 137920, 154729, 229760, 275840, 309458, 459520, 551680, 618916, 773645, 1237832, 1547290, 2475664, 3094580, 4951328, 6189160, 9902656, 12378320, 19805312, 24756640, 39610624, 49513280, 99026560, 198053120]

約数ペア:

[(1, 198053120), (2, 99026560), (4, 49513280), (5, 39610624), (8, 24756640), (10, 19805312), (16, 12378320), (20, 9902656), (32, 6189160), (40, 4951328), (64, 3094580), (80, 2475664), (128, 1547290), (160, 1237832), (256, 773645), (320, 618916), (359, 551680), (431, 459520), (640, 309458), (718, 275840), (862, 229760), (1280, 154729), (1436, 137920), (1724, 114880), (1795, 110336), (2155, 91904), (2872, 68960), (3448, 57440), (3590, 55168), (4310, 45952), (5744, 34480), (6896, 28720), (7180, 27584), (8620, 22976), (11488, 17240), (13792, 14360)]