205676820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{126961}}^1$

素因数の和:126982

約数の個数: 60

約数和(自身を含む): 645220884

約数和(自身を除く): 439544064

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, 126961, 253922, 380883, 507844, 634805, 761766, 1142649, 1269610, 1523532, 1904415, 2285298, 2539220, 3427947, 3808830, 4570596, 5713245, 6855894, 7617660, 10283841, 11426490, 13711788, 17139735, 20567682, 22852980, 34279470, 41135364, 51419205, 68558940, 102838410, 205676820]

約数ペア:

[(1, 205676820), (2, 102838410), (3, 68558940), (4, 51419205), (5, 41135364), (6, 34279470), (9, 22852980), (10, 20567682), (12, 17139735), (15, 13711788), (18, 11426490), (20, 10283841), (27, 7617660), (30, 6855894), (36, 5713245), (45, 4570596), (54, 3808830), (60, 3427947), (81, 2539220), (90, 2285298), (108, 1904415), (135, 1523532), (162, 1269610), (180, 1142649), (270, 761766), (324, 634805), (405, 507844), (540, 380883), (810, 253922), (1620, 126961)]