31299520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 86685120

約数和(自身を除く): 55385600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 157, 160, 178, 224, 280, 314, 320, 356, 445, 448, 560, 623, 628, 712, 785, 890, 1099, 1120, 1246, 1256, 1424, 1570, 1780, 2198, 2240, 2492, 2512, 2848, 3115, 3140, 3560, 4396, 4984, 5024, 5495, 5696, 6230, 6280, 7120, 8792, 9968, 10048, 10990, 12460, 12560, 13973, 14240, 17584, 19936, 21980, 24920, 25120, 27946, 28480, 35168, 39872, 43960, 49840, 50240, 55892, 69865, 70336, 87920, 97811, 99680, 111784, 139730, 175840, 195622, 199360, 223568, 279460, 351680, 391244, 447136, 489055, 558920, 782488, 894272, 978110, 1117840, 1564976, 1956220, 2235680, 3129952, 3912440, 4471360, 6259904, 7824880, 15649760, 31299520]

約数ペア:

[(1, 31299520), (2, 15649760), (4, 7824880), (5, 6259904), (7, 4471360), (8, 3912440), (10, 3129952), (14, 2235680), (16, 1956220), (20, 1564976), (28, 1117840), (32, 978110), (35, 894272), (40, 782488), (56, 558920), (64, 489055), (70, 447136), (80, 391244), (89, 351680), (112, 279460), (140, 223568), (157, 199360), (160, 195622), (178, 175840), (224, 139730), (280, 111784), (314, 99680), (320, 97811), (356, 87920), (445, 70336), (448, 69865), (560, 55892), (623, 50240), (628, 49840), (712, 43960), (785, 39872), (890, 35168), (1099, 28480), (1120, 27946), (1246, 25120), (1256, 24920), (1424, 21980), (1570, 19936), (1780, 17584), (2198, 14240), (2240, 13973), (2492, 12560), (2512, 12460), (2848, 10990), (3115, 10048), (3140, 9968), (3560, 8792), (4396, 7120), (4984, 6280), (5024, 6230), (5495, 5696)]