80981820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6163}}^1$

素因数の和:6251

約数の個数: 72

約数和(自身を含む): 249050256

約数和(自身を除く): 168068436

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, 2628, 3285, 4380, 6163, 6570, 12326, 13140, 18489, 24652, 30815, 36978, 55467, 61630, 73956, 92445, 110934, 123260, 184890, 221868, 277335, 369780, 449899, 554670, 899798, 1109340, 1349697, 1799596, 2249495, 2699394, 4049091, 4498990, 5398788, 6748485, 8098182, 8997980, 13496970, 16196364, 20245455, 26993940, 40490910, 80981820]

約数ペア:

[(1, 80981820), (2, 40490910), (3, 26993940), (4, 20245455), (5, 16196364), (6, 13496970), (9, 8997980), (10, 8098182), (12, 6748485), (15, 5398788), (18, 4498990), (20, 4049091), (30, 2699394), (36, 2249495), (45, 1799596), (60, 1349697), (73, 1109340), (90, 899798), (146, 554670), (180, 449899), (219, 369780), (292, 277335), (365, 221868), (438, 184890), (657, 123260), (730, 110934), (876, 92445), (1095, 73956), (1314, 61630), (1460, 55467), (2190, 36978), (2628, 30815), (3285, 24652), (4380, 18489), (6163, 13140), (6570, 12326)]