12722940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23561}}^1$

素因数の和:23579

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 26861220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23561, 47122, 70683, 94244, 117805, 141366, 212049, 235610, 282732, 353415, 424098, 471220, 636147, 706830, 848196, 1060245, 1272294, 1413660, 2120490, 2544588, 3180735, 4240980, 6361470, 12722940]

約数ペア:

[(1, 12722940), (2, 6361470), (3, 4240980), (4, 3180735), (5, 2544588), (6, 2120490), (9, 1413660), (10, 1272294), (12, 1060245), (15, 848196), (18, 706830), (20, 636147), (27, 471220), (30, 424098), (36, 353415), (45, 282732), (54, 235610), (60, 212049), (90, 141366), (108, 117805), (135, 94244), (180, 70683), (270, 47122), (540, 23561)]