30551580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{18859}}^1$

素因数の和:18880

約数の個数: 60

約数和(自身を含む): 95846520

約数和(自身を除く): 65294940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 18859, 37718, 56577, 75436, 94295, 113154, 169731, 188590, 226308, 282885, 339462, 377180, 509193, 565770, 678924, 848655, 1018386, 1131540, 1527579, 1697310, 2036772, 2545965, 3055158, 3394620, 5091930, 6110316, 7637895, 10183860, 15275790, 30551580]

約数ペア:

[(1, 30551580), (2, 15275790), (3, 10183860), (4, 7637895), (5, 6110316), (6, 5091930), (9, 3394620), (10, 3055158), (12, 2545965), (15, 2036772), (18, 1697310), (20, 1527579), (27, 1131540), (30, 1018386), (36, 848655), (45, 678924), (54, 565770), (60, 509193), (81, 377180), (90, 339462), (108, 282885), (135, 226308), (162, 188590), (180, 169731), (270, 113154), (324, 94295), (405, 75436), (540, 56577), (810, 37718), (1620, 18859)]