28947420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2203}}^1$

素因数の和:2291

約数の個数: 72

約数和(自身を含む): 89050416

約数和(自身を除く): 60102996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2203, 2628, 3285, 4380, 4406, 6570, 6609, 8812, 11015, 13140, 13218, 19827, 22030, 26436, 33045, 39654, 44060, 66090, 79308, 99135, 132180, 160819, 198270, 321638, 396540, 482457, 643276, 804095, 964914, 1447371, 1608190, 1929828, 2412285, 2894742, 3216380, 4824570, 5789484, 7236855, 9649140, 14473710, 28947420]

約数ペア:

[(1, 28947420), (2, 14473710), (3, 9649140), (4, 7236855), (5, 5789484), (6, 4824570), (9, 3216380), (10, 2894742), (12, 2412285), (15, 1929828), (18, 1608190), (20, 1447371), (30, 964914), (36, 804095), (45, 643276), (60, 482457), (73, 396540), (90, 321638), (146, 198270), (180, 160819), (219, 132180), (292, 99135), (365, 79308), (438, 66090), (657, 44060), (730, 39654), (876, 33045), (1095, 26436), (1314, 22030), (1460, 19827), (2190, 13218), (2203, 13140), (2628, 11015), (3285, 8812), (4380, 6609), (4406, 6570)]