25806780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 78702624

約数和(自身を除く): 52895844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 461, 622, 922, 933, 1244, 1383, 1555, 1844, 1866, 2305, 2766, 2799, 3110, 3732, 4149, 4610, 4665, 5532, 5598, 6220, 6915, 8298, 9220, 9330, 11196, 13830, 13995, 16596, 18660, 20745, 27660, 27990, 41490, 55980, 82980, 143371, 286742, 430113, 573484, 716855, 860226, 1290339, 1433710, 1720452, 2150565, 2580678, 2867420, 4301130, 5161356, 6451695, 8602260, 12903390, 25806780]

約数ペア:

[(1, 25806780), (2, 12903390), (3, 8602260), (4, 6451695), (5, 5161356), (6, 4301130), (9, 2867420), (10, 2580678), (12, 2150565), (15, 1720452), (18, 1433710), (20, 1290339), (30, 860226), (36, 716855), (45, 573484), (60, 430113), (90, 286742), (180, 143371), (311, 82980), (461, 55980), (622, 41490), (922, 27990), (933, 27660), (1244, 20745), (1383, 18660), (1555, 16596), (1844, 13995), (1866, 13830), (2305, 11196), (2766, 9330), (2799, 9220), (3110, 8298), (3732, 6915), (4149, 6220), (4610, 5598), (4665, 5532)]