128286540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17383}}^1$

素因数の和:17439

約数の個数: 72

約数和(自身を含む): 398649888

約数和(自身を除く): 270363348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 17383, 34766, 52149, 69532, 86915, 104298, 156447, 173830, 208596, 260745, 312894, 347660, 521490, 625788, 712703, 782235, 1042980, 1425406, 1564470, 2138109, 2850812, 3128940, 3563515, 4276218, 6414327, 7127030, 8552436, 10690545, 12828654, 14254060, 21381090, 25657308, 32071635, 42762180, 64143270, 128286540]

約数ペア:

[(1, 128286540), (2, 64143270), (3, 42762180), (4, 32071635), (5, 25657308), (6, 21381090), (9, 14254060), (10, 12828654), (12, 10690545), (15, 8552436), (18, 7127030), (20, 6414327), (30, 4276218), (36, 3563515), (41, 3128940), (45, 2850812), (60, 2138109), (82, 1564470), (90, 1425406), (123, 1042980), (164, 782235), (180, 712703), (205, 625788), (246, 521490), (369, 347660), (410, 312894), (492, 260745), (615, 208596), (738, 173830), (820, 156447), (1230, 104298), (1476, 86915), (1845, 69532), (2460, 52149), (3690, 34766), (7380, 17383)]