207698940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2503}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 631639008

約数和(自身を除く): 423940068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 461, 922, 1383, 1844, 2305, 2503, 2766, 4149, 4610, 5006, 5532, 6915, 7509, 8298, 9220, 10012, 12515, 13830, 15018, 16596, 20745, 22527, 25030, 27660, 30036, 37545, 41490, 45054, 50060, 75090, 82980, 90108, 112635, 150180, 225270, 450540, 1153883, 2307766, 3461649, 4615532, 5769415, 6923298, 10384947, 11538830, 13846596, 17308245, 20769894, 23077660, 34616490, 41539788, 51924735, 69232980, 103849470, 207698940]

約数ペア:

[(1, 207698940), (2, 103849470), (3, 69232980), (4, 51924735), (5, 41539788), (6, 34616490), (9, 23077660), (10, 20769894), (12, 17308245), (15, 13846596), (18, 11538830), (20, 10384947), (30, 6923298), (36, 5769415), (45, 4615532), (60, 3461649), (90, 2307766), (180, 1153883), (461, 450540), (922, 225270), (1383, 150180), (1844, 112635), (2305, 90108), (2503, 82980), (2766, 75090), (4149, 50060), (4610, 45054), (5006, 41490), (5532, 37545), (6915, 30036), (7509, 27660), (8298, 25030), (9220, 22527), (10012, 20745), (12515, 16596), (13830, 15018)]