13406940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 40976208

約数和(自身を除く): 27569268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 353, 422, 633, 706, 844, 1055, 1059, 1266, 1412, 1765, 1899, 2110, 2118, 2532, 3165, 3177, 3530, 3798, 4220, 4236, 5295, 6330, 6354, 7060, 7596, 9495, 10590, 12660, 12708, 15885, 18990, 21180, 31770, 37980, 63540, 74483, 148966, 223449, 297932, 372415, 446898, 670347, 744830, 893796, 1117245, 1340694, 1489660, 2234490, 2681388, 3351735, 4468980, 6703470, 13406940]

約数ペア:

[(1, 13406940), (2, 6703470), (3, 4468980), (4, 3351735), (5, 2681388), (6, 2234490), (9, 1489660), (10, 1340694), (12, 1117245), (15, 893796), (18, 744830), (20, 670347), (30, 446898), (36, 372415), (45, 297932), (60, 223449), (90, 148966), (180, 74483), (211, 63540), (353, 37980), (422, 31770), (633, 21180), (706, 18990), (844, 15885), (1055, 12708), (1059, 12660), (1266, 10590), (1412, 9495), (1765, 7596), (1899, 7060), (2110, 6354), (2118, 6330), (2532, 5295), (3165, 4236), (3177, 4220), (3530, 3798)]