90407580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20641}}^1$

素因数の和:20726

約数の個数: 48

約数和(自身を含む): 256621344

約数和(自身を除く): 166213764

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, 20641, 41282, 61923, 82564, 103205, 123846, 206410, 247692, 309615, 412820, 619230, 1238460, 1506793, 3013586, 4520379, 6027172, 7533965, 9040758, 15067930, 18081516, 22601895, 30135860, 45203790, 90407580]

約数ペア:

[(1, 90407580), (2, 45203790), (3, 30135860), (4, 22601895), (5, 18081516), (6, 15067930), (10, 9040758), (12, 7533965), (15, 6027172), (20, 4520379), (30, 3013586), (60, 1506793), (73, 1238460), (146, 619230), (219, 412820), (292, 309615), (365, 247692), (438, 206410), (730, 123846), (876, 103205), (1095, 82564), (1460, 61923), (2190, 41282), (4380, 20641)]