31781280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:998

約数の個数: 96

約数和(自身を含む): 101594304

約数和(自身を除く): 69813024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 120, 146, 160, 219, 240, 292, 365, 438, 480, 584, 730, 876, 907, 1095, 1168, 1460, 1752, 1814, 2190, 2336, 2721, 2920, 3504, 3628, 4380, 4535, 5442, 5840, 7008, 7256, 8760, 9070, 10884, 11680, 13605, 14512, 17520, 18140, 21768, 27210, 29024, 35040, 36280, 43536, 54420, 66211, 72560, 87072, 108840, 132422, 145120, 198633, 217680, 264844, 331055, 397266, 435360, 529688, 662110, 794532, 993165, 1059376, 1324220, 1589064, 1986330, 2118752, 2648440, 3178128, 3972660, 5296880, 6356256, 7945320, 10593760, 15890640, 31781280]

約数ペア:

[(1, 31781280), (2, 15890640), (3, 10593760), (4, 7945320), (5, 6356256), (6, 5296880), (8, 3972660), (10, 3178128), (12, 2648440), (15, 2118752), (16, 1986330), (20, 1589064), (24, 1324220), (30, 1059376), (32, 993165), (40, 794532), (48, 662110), (60, 529688), (73, 435360), (80, 397266), (96, 331055), (120, 264844), (146, 217680), (160, 198633), (219, 145120), (240, 132422), (292, 108840), (365, 87072), (438, 72560), (480, 66211), (584, 54420), (730, 43536), (876, 36280), (907, 35040), (1095, 29024), (1168, 27210), (1460, 21768), (1752, 18140), (1814, 17520), (2190, 14512), (2336, 13605), (2721, 11680), (2920, 10884), (3504, 9070), (3628, 8760), (4380, 7256), (4535, 7008), (5442, 5840)]