331985920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 176

約数和(自身を含む): 931466880

約数和(自身を除く): 599480960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 128, 140, 157, 160, 224, 236, 256, 280, 295, 314, 320, 413, 448, 472, 512, 560, 590, 628, 640, 785, 826, 896, 944, 1024, 1099, 1120, 1180, 1256, 1280, 1570, 1652, 1792, 1888, 2065, 2198, 2240, 2360, 2512, 2560, 3140, 3304, 3584, 3776, 4130, 4396, 4480, 4720, 5024, 5120, 5495, 6280, 6608, 7168, 7552, 8260, 8792, 8960, 9263, 9440, 10048, 10990, 12560, 13216, 15104, 16520, 17584, 17920, 18526, 18880, 20096, 21980, 25120, 26432, 30208, 33040, 35168, 35840, 37052, 37760, 40192, 43960, 46315, 50240, 52864, 60416, 64841, 66080, 70336, 74104, 75520, 80384, 87920, 92630, 100480, 105728, 129682, 132160, 140672, 148208, 151040, 160768, 175840, 185260, 200960, 211456, 259364, 264320, 281344, 296416, 302080, 324205, 351680, 370520, 401920, 422912, 518728, 528640, 562688, 592832, 648410, 703360, 741040, 803840, 1037456, 1057280, 1125376, 1185664, 1296820, 1406720, 1482080, 2074912, 2114560, 2371328, 2593640, 2813440, 2964160, 4149824, 4742656, 5187280, 5626880, 5928320, 8299648, 9485312, 10374560, 11856640, 16599296, 20749120, 23713280, 33198592, 41498240, 47426560, 66397184, 82996480, 165992960, 331985920]

約数ペア:

[(1, 331985920), (2, 165992960), (4, 82996480), (5, 66397184), (7, 47426560), (8, 41498240), (10, 33198592), (14, 23713280), (16, 20749120), (20, 16599296), (28, 11856640), (32, 10374560), (35, 9485312), (40, 8299648), (56, 5928320), (59, 5626880), (64, 5187280), (70, 4742656), (80, 4149824), (112, 2964160), (118, 2813440), (128, 2593640), (140, 2371328), (157, 2114560), (160, 2074912), (224, 1482080), (236, 1406720), (256, 1296820), (280, 1185664), (295, 1125376), (314, 1057280), (320, 1037456), (413, 803840), (448, 741040), (472, 703360), (512, 648410), (560, 592832), (590, 562688), (628, 528640), (640, 518728), (785, 422912), (826, 401920), (896, 370520), (944, 351680), (1024, 324205), (1099, 302080), (1120, 296416), (1180, 281344), (1256, 264320), (1280, 259364), (1570, 211456), (1652, 200960), (1792, 185260), (1888, 175840), (2065, 160768), (2198, 151040), (2240, 148208), (2360, 140672), (2512, 132160), (2560, 129682), (3140, 105728), (3304, 100480), (3584, 92630), (3776, 87920), (4130, 80384), (4396, 75520), (4480, 74104), (4720, 70336), (5024, 66080), (5120, 64841), (5495, 60416), (6280, 52864), (6608, 50240), (7168, 46315), (7552, 43960), (8260, 40192), (8792, 37760), (8960, 37052), (9263, 35840), (9440, 35168), (10048, 33040), (10990, 30208), (12560, 26432), (13216, 25120), (15104, 21980), (16520, 20096), (17584, 18880), (17920, 18526)]