87989820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20089}}^1$

素因数の和:20174

約数の個数: 48

約数和(自身を含む): 249758880

約数和(自身を除く): 161769060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 20089, 40178, 60267, 80356, 100445, 120534, 200890, 241068, 301335, 401780, 602670, 1205340, 1466497, 2932994, 4399491, 5865988, 7332485, 8798982, 14664970, 17597964, 21997455, 29329940, 43994910, 87989820]

約数ペア:

[(1, 87989820), (2, 43994910), (3, 29329940), (4, 21997455), (5, 17597964), (6, 14664970), (10, 8798982), (12, 7332485), (15, 5865988), (20, 4399491), (30, 2932994), (60, 1466497), (73, 1205340), (146, 602670), (219, 401780), (292, 301335), (365, 241068), (438, 200890), (730, 120534), (876, 100445), (1095, 80356), (1460, 60267), (2190, 40178), (4380, 20089)]