15890640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 49990848

約数和(自身を除く): 34100208

約数列:

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

約数ペア:

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