319325440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 883596672

約数和(自身を除く): 564271232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 224, 227, 256, 280, 314, 320, 448, 454, 560, 628, 640, 785, 896, 908, 1099, 1120, 1135, 1256, 1280, 1570, 1589, 1792, 1816, 2198, 2240, 2270, 2512, 3140, 3178, 3632, 4396, 4480, 4540, 5024, 5495, 6280, 6356, 7264, 7945, 8792, 8960, 9080, 10048, 10990, 12560, 12712, 14528, 15890, 17584, 18160, 20096, 21980, 25120, 25424, 29056, 31780, 35168, 35639, 36320, 40192, 43960, 50240, 50848, 58112, 63560, 70336, 71278, 72640, 87920, 100480, 101696, 127120, 140672, 142556, 145280, 175840, 178195, 200960, 203392, 249473, 254240, 281344, 285112, 290560, 351680, 356390, 406784, 498946, 508480, 570224, 703360, 712780, 997892, 1016960, 1140448, 1247365, 1406720, 1425560, 1995784, 2033920, 2280896, 2494730, 2851120, 3991568, 4561792, 4989460, 5702240, 7983136, 9123584, 9978920, 11404480, 15966272, 19957840, 22808960, 31932544, 39915680, 45617920, 63865088, 79831360, 159662720, 319325440]

約数ペア:

[(1, 319325440), (2, 159662720), (4, 79831360), (5, 63865088), (7, 45617920), (8, 39915680), (10, 31932544), (14, 22808960), (16, 19957840), (20, 15966272), (28, 11404480), (32, 9978920), (35, 9123584), (40, 7983136), (56, 5702240), (64, 4989460), (70, 4561792), (80, 3991568), (112, 2851120), (128, 2494730), (140, 2280896), (157, 2033920), (160, 1995784), (224, 1425560), (227, 1406720), (256, 1247365), (280, 1140448), (314, 1016960), (320, 997892), (448, 712780), (454, 703360), (560, 570224), (628, 508480), (640, 498946), (785, 406784), (896, 356390), (908, 351680), (1099, 290560), (1120, 285112), (1135, 281344), (1256, 254240), (1280, 249473), (1570, 203392), (1589, 200960), (1792, 178195), (1816, 175840), (2198, 145280), (2240, 142556), (2270, 140672), (2512, 127120), (3140, 101696), (3178, 100480), (3632, 87920), (4396, 72640), (4480, 71278), (4540, 70336), (5024, 63560), (5495, 58112), (6280, 50848), (6356, 50240), (7264, 43960), (7945, 40192), (8792, 36320), (8960, 35639), (9080, 35168), (10048, 31780), (10990, 29056), (12560, 25424), (12712, 25120), (14528, 21980), (15890, 20096), (17584, 18160)]