788968140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{72649}}^1$

素因数の和:72842

約数の個数: 48

約数和(自身を含む): 2221346400

約数和(自身を除く): 1432378260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2172, 2715, 3620, 5430, 10860, 72649, 145298, 217947, 290596, 363245, 435894, 726490, 871788, 1089735, 1452980, 2179470, 4358940, 13149469, 26298938, 39448407, 52597876, 65747345, 78896814, 131494690, 157793628, 197242035, 262989380, 394484070, 788968140]

約数ペア:

[(1, 788968140), (2, 394484070), (3, 262989380), (4, 197242035), (5, 157793628), (6, 131494690), (10, 78896814), (12, 65747345), (15, 52597876), (20, 39448407), (30, 26298938), (60, 13149469), (181, 4358940), (362, 2179470), (543, 1452980), (724, 1089735), (905, 871788), (1086, 726490), (1810, 435894), (2172, 363245), (2715, 290596), (3620, 217947), (5430, 145298), (10860, 72649)]