320015880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1489}}^1$

素因数の和:1708

約数の個数: 128

約数和(自身を含む): 1072800000

約数和(自身を除く): 752784120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 360, 398, 540, 597, 796, 995, 1080, 1194, 1489, 1592, 1791, 1990, 2388, 2978, 2985, 3582, 3980, 4467, 4776, 5373, 5956, 5970, 7164, 7445, 7960, 8934, 8955, 10746, 11912, 11940, 13401, 14328, 14890, 17868, 17910, 21492, 22335, 23880, 26802, 26865, 29780, 35736, 35820, 40203, 42984, 44670, 53604, 53730, 59560, 67005, 71640, 80406, 89340, 107208, 107460, 134010, 160812, 178680, 201015, 214920, 268020, 296311, 321624, 402030, 536040, 592622, 804060, 888933, 1185244, 1481555, 1608120, 1777866, 2370488, 2666799, 2963110, 3555732, 4444665, 5333598, 5926220, 7111464, 8000397, 8889330, 10667196, 11852440, 13333995, 16000794, 17778660, 21334392, 26667990, 32001588, 35557320, 40001985, 53335980, 64003176, 80003970, 106671960, 160007940, 320015880]

約数ペア:

[(1, 320015880), (2, 160007940), (3, 106671960), (4, 80003970), (5, 64003176), (6, 53335980), (8, 40001985), (9, 35557320), (10, 32001588), (12, 26667990), (15, 21334392), (18, 17778660), (20, 16000794), (24, 13333995), (27, 11852440), (30, 10667196), (36, 8889330), (40, 8000397), (45, 7111464), (54, 5926220), (60, 5333598), (72, 4444665), (90, 3555732), (108, 2963110), (120, 2666799), (135, 2370488), (180, 1777866), (199, 1608120), (216, 1481555), (270, 1185244), (360, 888933), (398, 804060), (540, 592622), (597, 536040), (796, 402030), (995, 321624), (1080, 296311), (1194, 268020), (1489, 214920), (1592, 201015), (1791, 178680), (1990, 160812), (2388, 134010), (2978, 107460), (2985, 107208), (3582, 89340), (3980, 80406), (4467, 71640), (4776, 67005), (5373, 59560), (5956, 53730), (5970, 53604), (7164, 44670), (7445, 42984), (7960, 40203), (8934, 35820), (8955, 35736), (10746, 29780), (11912, 26865), (11940, 26802), (13401, 23880), (14328, 22335), (14890, 21492), (17868, 17910)]